| 1 | //===- unittest/Format/FormatTest.cpp - Formatting unit tests -------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "clang/Format/Format.h" |
| 10 | |
| 11 | #include "../Tooling/ReplacementTest.h" |
| 12 | #include "FormatTestUtils.h" |
| 13 | |
| 14 | #include "clang/Frontend/TextDiagnosticPrinter.h" |
| 15 | #include "llvm/Support/Debug.h" |
| 16 | #include "llvm/Support/MemoryBuffer.h" |
| 17 | #include "gtest/gtest.h" |
| 18 | |
| 19 | #define DEBUG_TYPE "format-test" |
| 20 | |
| 21 | using clang::tooling::ReplacementTest; |
| 22 | using clang::tooling::toReplacements; |
| 23 | |
| 24 | namespace clang { |
| 25 | namespace format { |
| 26 | namespace { |
| 27 | |
| 28 | FormatStyle getGoogleStyle() { return getGoogleStyle(FormatStyle::LK_Cpp); } |
| 29 | |
| 30 | class FormatTest : public ::testing::Test { |
| 31 | protected: |
| 32 | enum StatusCheck { |
| 33 | SC_ExpectComplete, |
| 34 | SC_ExpectIncomplete, |
| 35 | SC_DoNotCheck |
| 36 | }; |
| 37 | |
| 38 | std::string format(llvm::StringRef Code, |
| 39 | const FormatStyle &Style = getLLVMStyle(), |
| 40 | StatusCheck CheckComplete = SC_ExpectComplete) { |
| 41 | LLVM_DEBUG(llvm::errs() << "---\n" ); |
| 42 | LLVM_DEBUG(llvm::errs() << Code << "\n\n" ); |
| 43 | std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size())); |
| 44 | FormattingAttemptStatus Status; |
| 45 | tooling::Replacements Replaces = |
| 46 | reformat(Style, Code, Ranges, "<stdin>" , &Status); |
| 47 | if (CheckComplete != SC_DoNotCheck) { |
| 48 | bool ExpectedCompleteFormat = CheckComplete == SC_ExpectComplete; |
| 49 | EXPECT_EQ(ExpectedCompleteFormat, Status.FormatComplete) |
| 50 | << Code << "\n\n" ; |
| 51 | } |
| 52 | ReplacementCount = Replaces.size(); |
| 53 | auto Result = applyAllReplacements(Code, Replaces); |
| 54 | EXPECT_TRUE(static_cast<bool>(Result)); |
| 55 | LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n" ); |
| 56 | return *Result; |
| 57 | } |
| 58 | |
| 59 | FormatStyle getStyleWithColumns(FormatStyle Style, unsigned ColumnLimit) { |
| 60 | Style.ColumnLimit = ColumnLimit; |
| 61 | return Style; |
| 62 | } |
| 63 | |
| 64 | FormatStyle getLLVMStyleWithColumns(unsigned ColumnLimit) { |
| 65 | return getStyleWithColumns(getLLVMStyle(), ColumnLimit); |
| 66 | } |
| 67 | |
| 68 | FormatStyle getGoogleStyleWithColumns(unsigned ColumnLimit) { |
| 69 | return getStyleWithColumns(getGoogleStyle(), ColumnLimit); |
| 70 | } |
| 71 | |
| 72 | void verifyFormat(llvm::StringRef Expected, llvm::StringRef Code, |
| 73 | const FormatStyle &Style = getLLVMStyle()) { |
| 74 | EXPECT_EQ(Expected.str(), format(Expected, Style)) |
| 75 | << "Expected code is not stable" ; |
| 76 | EXPECT_EQ(Expected.str(), format(Code, Style)); |
| 77 | if (Style.Language == FormatStyle::LK_Cpp) { |
| 78 | // Objective-C++ is a superset of C++, so everything checked for C++ |
| 79 | // needs to be checked for Objective-C++ as well. |
| 80 | FormatStyle ObjCStyle = Style; |
| 81 | ObjCStyle.Language = FormatStyle::LK_ObjC; |
| 82 | EXPECT_EQ(Expected.str(), format(test::messUp(Code), ObjCStyle)); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | void verifyFormat(llvm::StringRef Code, |
| 87 | const FormatStyle &Style = getLLVMStyle()) { |
| 88 | verifyFormat(Code, test::messUp(Code), Style); |
| 89 | } |
| 90 | |
| 91 | void verifyIncompleteFormat(llvm::StringRef Code, |
| 92 | const FormatStyle &Style = getLLVMStyle()) { |
| 93 | EXPECT_EQ(Code.str(), |
| 94 | format(test::messUp(Code), Style, SC_ExpectIncomplete)); |
| 95 | } |
| 96 | |
| 97 | void verifyGoogleFormat(llvm::StringRef Code) { |
| 98 | verifyFormat(Code, getGoogleStyle()); |
| 99 | } |
| 100 | |
| 101 | void verifyIndependentOfContext(llvm::StringRef text) { |
| 102 | verifyFormat(text); |
| 103 | verifyFormat(llvm::Twine("void f() { " + text + " }" ).str()); |
| 104 | } |
| 105 | |
| 106 | /// \brief Verify that clang-format does not crash on the given input. |
| 107 | void verifyNoCrash(llvm::StringRef Code, |
| 108 | const FormatStyle &Style = getLLVMStyle()) { |
| 109 | format(Code, Style, SC_DoNotCheck); |
| 110 | } |
| 111 | |
| 112 | int ReplacementCount; |
| 113 | }; |
| 114 | |
| 115 | TEST_F(FormatTest, MessUp) { |
| 116 | EXPECT_EQ("1 2 3" , test::messUp("1 2 3" )); |
| 117 | EXPECT_EQ("1 2 3\n" , test::messUp("1\n2\n3\n" )); |
| 118 | EXPECT_EQ("a\n//b\nc" , test::messUp("a\n//b\nc" )); |
| 119 | EXPECT_EQ("a\n#b\nc" , test::messUp("a\n#b\nc" )); |
| 120 | EXPECT_EQ("a\n#b c d\ne" , test::messUp("a\n#b\\\nc\\\nd\ne" )); |
| 121 | } |
| 122 | |
| 123 | TEST_F(FormatTest, DefaultLLVMStyleIsCpp) { |
| 124 | EXPECT_EQ(FormatStyle::LK_Cpp, getLLVMStyle().Language); |
| 125 | } |
| 126 | |
| 127 | TEST_F(FormatTest, LLVMStyleOverride) { |
| 128 | EXPECT_EQ(FormatStyle::LK_Proto, |
| 129 | getLLVMStyle(FormatStyle::LK_Proto).Language); |
| 130 | } |
| 131 | |
| 132 | //===----------------------------------------------------------------------===// |
| 133 | // Basic function tests. |
| 134 | //===----------------------------------------------------------------------===// |
| 135 | |
| 136 | TEST_F(FormatTest, DoesNotChangeCorrectlyFormattedCode) { |
| 137 | EXPECT_EQ(";" , format(";" )); |
| 138 | } |
| 139 | |
| 140 | TEST_F(FormatTest, FormatsGlobalStatementsAt0) { |
| 141 | EXPECT_EQ("int i;" , format(" int i;" )); |
| 142 | EXPECT_EQ("\nint i;" , format(" \n\t \v \f int i;" )); |
| 143 | EXPECT_EQ("int i;\nint j;" , format(" int i; int j;" )); |
| 144 | EXPECT_EQ("int i;\nint j;" , format(" int i;\n int j;" )); |
| 145 | } |
| 146 | |
| 147 | TEST_F(FormatTest, FormatsUnwrappedLinesAtFirstFormat) { |
| 148 | EXPECT_EQ("int i;" , format("int\ni;" )); |
| 149 | } |
| 150 | |
| 151 | TEST_F(FormatTest, FormatsNestedBlockStatements) { |
| 152 | EXPECT_EQ("{\n {\n {}\n }\n}" , format("{{{}}}" )); |
| 153 | } |
| 154 | |
| 155 | TEST_F(FormatTest, FormatsNestedCall) { |
| 156 | verifyFormat("Method(f1, f2(f3));" ); |
| 157 | verifyFormat("Method(f1(f2, f3()));" ); |
| 158 | verifyFormat("Method(f1(f2, (f3())));" ); |
| 159 | } |
| 160 | |
| 161 | TEST_F(FormatTest, NestedNameSpecifiers) { |
| 162 | verifyFormat("vector<::Type> v;" ); |
| 163 | verifyFormat("::ns::SomeFunction(::ns::SomeOtherFunction())" ); |
| 164 | verifyFormat("static constexpr bool Bar = decltype(bar())::value;" ); |
| 165 | verifyFormat("bool a = 2 < ::SomeFunction();" ); |
| 166 | verifyFormat("ALWAYS_INLINE ::std::string getName();" ); |
| 167 | verifyFormat("some::string getName();" ); |
| 168 | } |
| 169 | |
| 170 | TEST_F(FormatTest, OnlyGeneratesNecessaryReplacements) { |
| 171 | EXPECT_EQ("if (a) {\n" |
| 172 | " f();\n" |
| 173 | "}" , |
| 174 | format("if(a){f();}" )); |
| 175 | EXPECT_EQ(4, ReplacementCount); |
| 176 | EXPECT_EQ("if (a) {\n" |
| 177 | " f();\n" |
| 178 | "}" , |
| 179 | format("if (a) {\n" |
| 180 | " f();\n" |
| 181 | "}" )); |
| 182 | EXPECT_EQ(0, ReplacementCount); |
| 183 | EXPECT_EQ("/*\r\n" |
| 184 | "\r\n" |
| 185 | "*/\r\n" , |
| 186 | format("/*\r\n" |
| 187 | "\r\n" |
| 188 | "*/\r\n" )); |
| 189 | EXPECT_EQ(0, ReplacementCount); |
| 190 | } |
| 191 | |
| 192 | TEST_F(FormatTest, RemovesEmptyLines) { |
| 193 | EXPECT_EQ("class C {\n" |
| 194 | " int i;\n" |
| 195 | "};" , |
| 196 | format("class C {\n" |
| 197 | " int i;\n" |
| 198 | "\n" |
| 199 | "};" )); |
| 200 | |
| 201 | // Don't remove empty lines at the start of namespaces or extern "C" blocks. |
| 202 | EXPECT_EQ("namespace N {\n" |
| 203 | "\n" |
| 204 | "int i;\n" |
| 205 | "}" , |
| 206 | format("namespace N {\n" |
| 207 | "\n" |
| 208 | "int i;\n" |
| 209 | "}" , |
| 210 | getGoogleStyle())); |
| 211 | EXPECT_EQ("/* something */ namespace N {\n" |
| 212 | "\n" |
| 213 | "int i;\n" |
| 214 | "}" , |
| 215 | format("/* something */ namespace N {\n" |
| 216 | "\n" |
| 217 | "int i;\n" |
| 218 | "}" , |
| 219 | getGoogleStyle())); |
| 220 | EXPECT_EQ("inline namespace N {\n" |
| 221 | "\n" |
| 222 | "int i;\n" |
| 223 | "}" , |
| 224 | format("inline namespace N {\n" |
| 225 | "\n" |
| 226 | "int i;\n" |
| 227 | "}" , |
| 228 | getGoogleStyle())); |
| 229 | EXPECT_EQ("/* something */ inline namespace N {\n" |
| 230 | "\n" |
| 231 | "int i;\n" |
| 232 | "}" , |
| 233 | format("/* something */ inline namespace N {\n" |
| 234 | "\n" |
| 235 | "int i;\n" |
| 236 | "}" , |
| 237 | getGoogleStyle())); |
| 238 | EXPECT_EQ("export namespace N {\n" |
| 239 | "\n" |
| 240 | "int i;\n" |
| 241 | "}" , |
| 242 | format("export namespace N {\n" |
| 243 | "\n" |
| 244 | "int i;\n" |
| 245 | "}" , |
| 246 | getGoogleStyle())); |
| 247 | EXPECT_EQ("extern /**/ \"C\" /**/ {\n" |
| 248 | "\n" |
| 249 | "int i;\n" |
| 250 | "}" , |
| 251 | format("extern /**/ \"C\" /**/ {\n" |
| 252 | "\n" |
| 253 | "int i;\n" |
| 254 | "}" , |
| 255 | getGoogleStyle())); |
| 256 | |
| 257 | // ...but do keep inlining and removing empty lines for non-block extern "C" |
| 258 | // functions. |
| 259 | verifyFormat("extern \"C\" int f() { return 42; }" , getGoogleStyle()); |
| 260 | EXPECT_EQ("extern \"C\" int f() {\n" |
| 261 | " int i = 42;\n" |
| 262 | " return i;\n" |
| 263 | "}" , |
| 264 | format("extern \"C\" int f() {\n" |
| 265 | "\n" |
| 266 | " int i = 42;\n" |
| 267 | " return i;\n" |
| 268 | "}" , |
| 269 | getGoogleStyle())); |
| 270 | |
| 271 | // Remove empty lines at the beginning and end of blocks. |
| 272 | EXPECT_EQ("void f() {\n" |
| 273 | "\n" |
| 274 | " if (a) {\n" |
| 275 | "\n" |
| 276 | " f();\n" |
| 277 | " }\n" |
| 278 | "}" , |
| 279 | format("void f() {\n" |
| 280 | "\n" |
| 281 | " if (a) {\n" |
| 282 | "\n" |
| 283 | " f();\n" |
| 284 | "\n" |
| 285 | " }\n" |
| 286 | "\n" |
| 287 | "}" , |
| 288 | getLLVMStyle())); |
| 289 | EXPECT_EQ("void f() {\n" |
| 290 | " if (a) {\n" |
| 291 | " f();\n" |
| 292 | " }\n" |
| 293 | "}" , |
| 294 | format("void f() {\n" |
| 295 | "\n" |
| 296 | " if (a) {\n" |
| 297 | "\n" |
| 298 | " f();\n" |
| 299 | "\n" |
| 300 | " }\n" |
| 301 | "\n" |
| 302 | "}" , |
| 303 | getGoogleStyle())); |
| 304 | |
| 305 | // Don't remove empty lines in more complex control statements. |
| 306 | EXPECT_EQ("void f() {\n" |
| 307 | " if (a) {\n" |
| 308 | " f();\n" |
| 309 | "\n" |
| 310 | " } else if (b) {\n" |
| 311 | " f();\n" |
| 312 | " }\n" |
| 313 | "}" , |
| 314 | format("void f() {\n" |
| 315 | " if (a) {\n" |
| 316 | " f();\n" |
| 317 | "\n" |
| 318 | " } else if (b) {\n" |
| 319 | " f();\n" |
| 320 | "\n" |
| 321 | " }\n" |
| 322 | "\n" |
| 323 | "}" )); |
| 324 | |
| 325 | // Don't remove empty lines before namespace endings. |
| 326 | FormatStyle LLVMWithNoNamespaceFix = getLLVMStyle(); |
| 327 | LLVMWithNoNamespaceFix.FixNamespaceComments = false; |
| 328 | EXPECT_EQ("namespace {\n" |
| 329 | "int i;\n" |
| 330 | "\n" |
| 331 | "}" , |
| 332 | format("namespace {\n" |
| 333 | "int i;\n" |
| 334 | "\n" |
| 335 | "}" , LLVMWithNoNamespaceFix)); |
| 336 | EXPECT_EQ("namespace {\n" |
| 337 | "int i;\n" |
| 338 | "}" , |
| 339 | format("namespace {\n" |
| 340 | "int i;\n" |
| 341 | "}" , LLVMWithNoNamespaceFix)); |
| 342 | EXPECT_EQ("namespace {\n" |
| 343 | "int i;\n" |
| 344 | "\n" |
| 345 | "};" , |
| 346 | format("namespace {\n" |
| 347 | "int i;\n" |
| 348 | "\n" |
| 349 | "};" , LLVMWithNoNamespaceFix)); |
| 350 | EXPECT_EQ("namespace {\n" |
| 351 | "int i;\n" |
| 352 | "};" , |
| 353 | format("namespace {\n" |
| 354 | "int i;\n" |
| 355 | "};" , LLVMWithNoNamespaceFix)); |
| 356 | EXPECT_EQ("namespace {\n" |
| 357 | "int i;\n" |
| 358 | "\n" |
| 359 | "}" , |
| 360 | format("namespace {\n" |
| 361 | "int i;\n" |
| 362 | "\n" |
| 363 | "}" )); |
| 364 | EXPECT_EQ("namespace {\n" |
| 365 | "int i;\n" |
| 366 | "\n" |
| 367 | "} // namespace" , |
| 368 | format("namespace {\n" |
| 369 | "int i;\n" |
| 370 | "\n" |
| 371 | "} // namespace" )); |
| 372 | |
| 373 | FormatStyle Style = getLLVMStyle(); |
| 374 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All; |
| 375 | Style.MaxEmptyLinesToKeep = 2; |
| 376 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 377 | Style.BraceWrapping.AfterClass = true; |
| 378 | Style.BraceWrapping.AfterFunction = true; |
| 379 | Style.KeepEmptyLinesAtTheStartOfBlocks = false; |
| 380 | |
| 381 | EXPECT_EQ("class Foo\n" |
| 382 | "{\n" |
| 383 | " Foo() {}\n" |
| 384 | "\n" |
| 385 | " void funk() {}\n" |
| 386 | "};" , |
| 387 | format("class Foo\n" |
| 388 | "{\n" |
| 389 | " Foo()\n" |
| 390 | " {\n" |
| 391 | " }\n" |
| 392 | "\n" |
| 393 | " void funk() {}\n" |
| 394 | "};" , |
| 395 | Style)); |
| 396 | } |
| 397 | |
| 398 | TEST_F(FormatTest, RecognizesBinaryOperatorKeywords) { |
| 399 | verifyFormat("x = (a) and (b);" ); |
| 400 | verifyFormat("x = (a) or (b);" ); |
| 401 | verifyFormat("x = (a) bitand (b);" ); |
| 402 | verifyFormat("x = (a) bitor (b);" ); |
| 403 | verifyFormat("x = (a) not_eq (b);" ); |
| 404 | verifyFormat("x = (a) and_eq (b);" ); |
| 405 | verifyFormat("x = (a) or_eq (b);" ); |
| 406 | verifyFormat("x = (a) xor (b);" ); |
| 407 | } |
| 408 | |
| 409 | TEST_F(FormatTest, RecognizesUnaryOperatorKeywords) { |
| 410 | verifyFormat("x = compl(a);" ); |
| 411 | verifyFormat("x = not(a);" ); |
| 412 | verifyFormat("x = bitand(a);" ); |
| 413 | // Unary operator must not be merged with the next identifier |
| 414 | verifyFormat("x = compl a;" ); |
| 415 | verifyFormat("x = not a;" ); |
| 416 | verifyFormat("x = bitand a;" ); |
| 417 | } |
| 418 | |
| 419 | //===----------------------------------------------------------------------===// |
| 420 | // Tests for control statements. |
| 421 | //===----------------------------------------------------------------------===// |
| 422 | |
| 423 | TEST_F(FormatTest, FormatIfWithoutCompoundStatement) { |
| 424 | verifyFormat("if (true)\n f();\ng();" ); |
| 425 | verifyFormat("if (a)\n if (b)\n if (c)\n g();\nh();" ); |
| 426 | verifyFormat("if (a)\n if (b) {\n f();\n }\ng();" ); |
| 427 | verifyFormat("if constexpr (true)\n" |
| 428 | " f();\ng();" ); |
| 429 | verifyFormat("if constexpr (a)\n" |
| 430 | " if constexpr (b)\n" |
| 431 | " if constexpr (c)\n" |
| 432 | " g();\n" |
| 433 | "h();" ); |
| 434 | verifyFormat("if constexpr (a)\n" |
| 435 | " if constexpr (b) {\n" |
| 436 | " f();\n" |
| 437 | " }\n" |
| 438 | "g();" ); |
| 439 | |
| 440 | FormatStyle AllowsMergedIf = getLLVMStyle(); |
| 441 | AllowsMergedIf.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 442 | AllowsMergedIf.AllowShortIfStatementsOnASingleLine = |
| 443 | FormatStyle::SIS_WithoutElse; |
| 444 | verifyFormat("if (a)\n" |
| 445 | " // comment\n" |
| 446 | " f();" , |
| 447 | AllowsMergedIf); |
| 448 | verifyFormat("{\n" |
| 449 | " if (a)\n" |
| 450 | " label:\n" |
| 451 | " f();\n" |
| 452 | "}" , |
| 453 | AllowsMergedIf); |
| 454 | verifyFormat("#define A \\\n" |
| 455 | " if (a) \\\n" |
| 456 | " label: \\\n" |
| 457 | " f()" , |
| 458 | AllowsMergedIf); |
| 459 | verifyFormat("if (a)\n" |
| 460 | " ;" , |
| 461 | AllowsMergedIf); |
| 462 | verifyFormat("if (a)\n" |
| 463 | " if (b) return;" , |
| 464 | AllowsMergedIf); |
| 465 | |
| 466 | verifyFormat("if (a) // Can't merge this\n" |
| 467 | " f();\n" , |
| 468 | AllowsMergedIf); |
| 469 | verifyFormat("if (a) /* still don't merge */\n" |
| 470 | " f();" , |
| 471 | AllowsMergedIf); |
| 472 | verifyFormat("if (a) { // Never merge this\n" |
| 473 | " f();\n" |
| 474 | "}" , |
| 475 | AllowsMergedIf); |
| 476 | verifyFormat("if (a) { /* Never merge this */\n" |
| 477 | " f();\n" |
| 478 | "}" , |
| 479 | AllowsMergedIf); |
| 480 | |
| 481 | AllowsMergedIf.ColumnLimit = 14; |
| 482 | verifyFormat("if (a) return;" , AllowsMergedIf); |
| 483 | verifyFormat("if (aaaaaaaaa)\n" |
| 484 | " return;" , |
| 485 | AllowsMergedIf); |
| 486 | |
| 487 | AllowsMergedIf.ColumnLimit = 13; |
| 488 | verifyFormat("if (a)\n return;" , AllowsMergedIf); |
| 489 | } |
| 490 | |
| 491 | TEST_F(FormatTest, FormatIfWithoutCompoundStatementButElseWith) { |
| 492 | FormatStyle AllowsMergedIf = getLLVMStyle(); |
| 493 | AllowsMergedIf.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 494 | AllowsMergedIf.AllowShortIfStatementsOnASingleLine = |
| 495 | FormatStyle::SIS_WithoutElse; |
| 496 | verifyFormat("if (a)\n" |
| 497 | " f();\n" |
| 498 | "else {\n" |
| 499 | " g();\n" |
| 500 | "}" , |
| 501 | AllowsMergedIf); |
| 502 | verifyFormat("if (a)\n" |
| 503 | " f();\n" |
| 504 | "else\n" |
| 505 | " g();\n" , |
| 506 | AllowsMergedIf); |
| 507 | |
| 508 | AllowsMergedIf.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_Always; |
| 509 | |
| 510 | verifyFormat("if (a) f();\n" |
| 511 | "else {\n" |
| 512 | " g();\n" |
| 513 | "}" , |
| 514 | AllowsMergedIf); |
| 515 | verifyFormat("if (a) f();\n" |
| 516 | "else {\n" |
| 517 | " if (a) f();\n" |
| 518 | " else {\n" |
| 519 | " g();\n" |
| 520 | " }\n" |
| 521 | " g();\n" |
| 522 | "}" , |
| 523 | AllowsMergedIf); |
| 524 | } |
| 525 | |
| 526 | TEST_F(FormatTest, FormatLoopsWithoutCompoundStatement) { |
| 527 | FormatStyle AllowsMergedLoops = getLLVMStyle(); |
| 528 | AllowsMergedLoops.AllowShortLoopsOnASingleLine = true; |
| 529 | verifyFormat("while (true) continue;" , AllowsMergedLoops); |
| 530 | verifyFormat("for (;;) continue;" , AllowsMergedLoops); |
| 531 | verifyFormat("for (int &v : vec) v *= 2;" , AllowsMergedLoops); |
| 532 | verifyFormat("while (true)\n" |
| 533 | " ;" , |
| 534 | AllowsMergedLoops); |
| 535 | verifyFormat("for (;;)\n" |
| 536 | " ;" , |
| 537 | AllowsMergedLoops); |
| 538 | verifyFormat("for (;;)\n" |
| 539 | " for (;;) continue;" , |
| 540 | AllowsMergedLoops); |
| 541 | verifyFormat("for (;;) // Can't merge this\n" |
| 542 | " continue;" , |
| 543 | AllowsMergedLoops); |
| 544 | verifyFormat("for (;;) /* still don't merge */\n" |
| 545 | " continue;" , |
| 546 | AllowsMergedLoops); |
| 547 | } |
| 548 | |
| 549 | TEST_F(FormatTest, FormatShortBracedStatements) { |
| 550 | FormatStyle AllowSimpleBracedStatements = getLLVMStyle(); |
| 551 | AllowSimpleBracedStatements.ColumnLimit = 40; |
| 552 | AllowSimpleBracedStatements.AllowShortBlocksOnASingleLine = true; |
| 553 | |
| 554 | AllowSimpleBracedStatements.AllowShortIfStatementsOnASingleLine = |
| 555 | FormatStyle::SIS_WithoutElse; |
| 556 | AllowSimpleBracedStatements.AllowShortLoopsOnASingleLine = true; |
| 557 | |
| 558 | AllowSimpleBracedStatements.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 559 | AllowSimpleBracedStatements.BraceWrapping.AfterFunction = true; |
| 560 | AllowSimpleBracedStatements.BraceWrapping.SplitEmptyRecord = false; |
| 561 | |
| 562 | verifyFormat("if (true) {}" , AllowSimpleBracedStatements); |
| 563 | verifyFormat("if constexpr (true) {}" , AllowSimpleBracedStatements); |
| 564 | verifyFormat("while (true) {}" , AllowSimpleBracedStatements); |
| 565 | verifyFormat("for (;;) {}" , AllowSimpleBracedStatements); |
| 566 | verifyFormat("if (true) { f(); }" , AllowSimpleBracedStatements); |
| 567 | verifyFormat("if constexpr (true) { f(); }" , AllowSimpleBracedStatements); |
| 568 | verifyFormat("while (true) { f(); }" , AllowSimpleBracedStatements); |
| 569 | verifyFormat("for (;;) { f(); }" , AllowSimpleBracedStatements); |
| 570 | verifyFormat("if (true) {\n" |
| 571 | " ffffffffffffffffffffffffffffffffffffffffffffffffffffff();\n" |
| 572 | "}" , |
| 573 | AllowSimpleBracedStatements); |
| 574 | verifyFormat("if (true) { //\n" |
| 575 | " f();\n" |
| 576 | "}" , |
| 577 | AllowSimpleBracedStatements); |
| 578 | verifyFormat("if (true) {\n" |
| 579 | " f();\n" |
| 580 | " f();\n" |
| 581 | "}" , |
| 582 | AllowSimpleBracedStatements); |
| 583 | verifyFormat("if (true) {\n" |
| 584 | " f();\n" |
| 585 | "} else {\n" |
| 586 | " f();\n" |
| 587 | "}" , |
| 588 | AllowSimpleBracedStatements); |
| 589 | |
| 590 | verifyFormat("struct A2 {\n" |
| 591 | " int X;\n" |
| 592 | "};" , |
| 593 | AllowSimpleBracedStatements); |
| 594 | verifyFormat("typedef struct A2 {\n" |
| 595 | " int X;\n" |
| 596 | "} A2_t;" , |
| 597 | AllowSimpleBracedStatements); |
| 598 | verifyFormat("template <int> struct A2 {\n" |
| 599 | " struct B {};\n" |
| 600 | "};" , |
| 601 | AllowSimpleBracedStatements); |
| 602 | |
| 603 | AllowSimpleBracedStatements.AllowShortIfStatementsOnASingleLine = |
| 604 | FormatStyle::SIS_Never; |
| 605 | verifyFormat("if (true) {}" , AllowSimpleBracedStatements); |
| 606 | verifyFormat("if (true) {\n" |
| 607 | " f();\n" |
| 608 | "}" , |
| 609 | AllowSimpleBracedStatements); |
| 610 | verifyFormat("if (true) {\n" |
| 611 | " f();\n" |
| 612 | "} else {\n" |
| 613 | " f();\n" |
| 614 | "}" , |
| 615 | AllowSimpleBracedStatements); |
| 616 | |
| 617 | AllowSimpleBracedStatements.AllowShortLoopsOnASingleLine = false; |
| 618 | verifyFormat("while (true) {}" , AllowSimpleBracedStatements); |
| 619 | verifyFormat("while (true) {\n" |
| 620 | " f();\n" |
| 621 | "}" , |
| 622 | AllowSimpleBracedStatements); |
| 623 | verifyFormat("for (;;) {}" , AllowSimpleBracedStatements); |
| 624 | verifyFormat("for (;;) {\n" |
| 625 | " f();\n" |
| 626 | "}" , |
| 627 | AllowSimpleBracedStatements); |
| 628 | |
| 629 | AllowSimpleBracedStatements.AllowShortIfStatementsOnASingleLine = |
| 630 | FormatStyle::SIS_WithoutElse; |
| 631 | AllowSimpleBracedStatements.AllowShortLoopsOnASingleLine = true; |
| 632 | AllowSimpleBracedStatements.BraceWrapping.AfterControlStatement = true; |
| 633 | |
| 634 | verifyFormat("if (true) {}" , AllowSimpleBracedStatements); |
| 635 | verifyFormat("if constexpr (true) {}" , AllowSimpleBracedStatements); |
| 636 | verifyFormat("while (true) {}" , AllowSimpleBracedStatements); |
| 637 | verifyFormat("for (;;) {}" , AllowSimpleBracedStatements); |
| 638 | verifyFormat("if (true) { f(); }" , AllowSimpleBracedStatements); |
| 639 | verifyFormat("if constexpr (true) { f(); }" , AllowSimpleBracedStatements); |
| 640 | verifyFormat("while (true) { f(); }" , AllowSimpleBracedStatements); |
| 641 | verifyFormat("for (;;) { f(); }" , AllowSimpleBracedStatements); |
| 642 | verifyFormat("if (true)\n" |
| 643 | "{\n" |
| 644 | " ffffffffffffffffffffffffffffffffffffffffffffffffffffff();\n" |
| 645 | "}" , |
| 646 | AllowSimpleBracedStatements); |
| 647 | verifyFormat("if (true)\n" |
| 648 | "{ //\n" |
| 649 | " f();\n" |
| 650 | "}" , |
| 651 | AllowSimpleBracedStatements); |
| 652 | verifyFormat("if (true)\n" |
| 653 | "{\n" |
| 654 | " f();\n" |
| 655 | " f();\n" |
| 656 | "}" , |
| 657 | AllowSimpleBracedStatements); |
| 658 | verifyFormat("if (true)\n" |
| 659 | "{\n" |
| 660 | " f();\n" |
| 661 | "} else\n" |
| 662 | "{\n" |
| 663 | " f();\n" |
| 664 | "}" , |
| 665 | AllowSimpleBracedStatements); |
| 666 | |
| 667 | AllowSimpleBracedStatements.AllowShortIfStatementsOnASingleLine = |
| 668 | FormatStyle::SIS_Never; |
| 669 | verifyFormat("if (true) {}" , AllowSimpleBracedStatements); |
| 670 | verifyFormat("if (true)\n" |
| 671 | "{\n" |
| 672 | " f();\n" |
| 673 | "}" , |
| 674 | AllowSimpleBracedStatements); |
| 675 | verifyFormat("if (true)\n" |
| 676 | "{\n" |
| 677 | " f();\n" |
| 678 | "} else\n" |
| 679 | "{\n" |
| 680 | " f();\n" |
| 681 | "}" , |
| 682 | AllowSimpleBracedStatements); |
| 683 | |
| 684 | AllowSimpleBracedStatements.AllowShortLoopsOnASingleLine = false; |
| 685 | verifyFormat("while (true) {}" , AllowSimpleBracedStatements); |
| 686 | verifyFormat("while (true)\n" |
| 687 | "{\n" |
| 688 | " f();\n" |
| 689 | "}" , |
| 690 | AllowSimpleBracedStatements); |
| 691 | verifyFormat("for (;;) {}" , AllowSimpleBracedStatements); |
| 692 | verifyFormat("for (;;)\n" |
| 693 | "{\n" |
| 694 | " f();\n" |
| 695 | "}" , |
| 696 | AllowSimpleBracedStatements); |
| 697 | } |
| 698 | |
| 699 | TEST_F(FormatTest, ShortBlocksInMacrosDontMergeWithCodeAfterMacro) { |
| 700 | FormatStyle Style = getLLVMStyleWithColumns(60); |
| 701 | Style.AllowShortBlocksOnASingleLine = true; |
| 702 | Style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_WithoutElse; |
| 703 | Style.BreakBeforeBraces = FormatStyle::BS_Allman; |
| 704 | EXPECT_EQ("#define A \\\n" |
| 705 | " if (HANDLEwernufrnuLwrmviferuvnierv) \\\n" |
| 706 | " { RET_ERR1_ANUIREUINERUIFNIOAerwfwrvnuier; }\n" |
| 707 | "X;" , |
| 708 | format("#define A \\\n" |
| 709 | " if (HANDLEwernufrnuLwrmviferuvnierv) { \\\n" |
| 710 | " RET_ERR1_ANUIREUINERUIFNIOAerwfwrvnuier; \\\n" |
| 711 | " }\n" |
| 712 | "X;" , |
| 713 | Style)); |
| 714 | } |
| 715 | |
| 716 | TEST_F(FormatTest, ParseIfElse) { |
| 717 | verifyFormat("if (true)\n" |
| 718 | " if (true)\n" |
| 719 | " if (true)\n" |
| 720 | " f();\n" |
| 721 | " else\n" |
| 722 | " g();\n" |
| 723 | " else\n" |
| 724 | " h();\n" |
| 725 | "else\n" |
| 726 | " i();" ); |
| 727 | verifyFormat("if (true)\n" |
| 728 | " if (true)\n" |
| 729 | " if (true) {\n" |
| 730 | " if (true)\n" |
| 731 | " f();\n" |
| 732 | " } else {\n" |
| 733 | " g();\n" |
| 734 | " }\n" |
| 735 | " else\n" |
| 736 | " h();\n" |
| 737 | "else {\n" |
| 738 | " i();\n" |
| 739 | "}" ); |
| 740 | verifyFormat("if (true)\n" |
| 741 | " if constexpr (true)\n" |
| 742 | " if (true) {\n" |
| 743 | " if constexpr (true)\n" |
| 744 | " f();\n" |
| 745 | " } else {\n" |
| 746 | " g();\n" |
| 747 | " }\n" |
| 748 | " else\n" |
| 749 | " h();\n" |
| 750 | "else {\n" |
| 751 | " i();\n" |
| 752 | "}" ); |
| 753 | verifyFormat("void f() {\n" |
| 754 | " if (a) {\n" |
| 755 | " } else {\n" |
| 756 | " }\n" |
| 757 | "}" ); |
| 758 | } |
| 759 | |
| 760 | TEST_F(FormatTest, ElseIf) { |
| 761 | verifyFormat("if (a) {\n} else if (b) {\n}" ); |
| 762 | verifyFormat("if (a)\n" |
| 763 | " f();\n" |
| 764 | "else if (b)\n" |
| 765 | " g();\n" |
| 766 | "else\n" |
| 767 | " h();" ); |
| 768 | verifyFormat("if constexpr (a)\n" |
| 769 | " f();\n" |
| 770 | "else if constexpr (b)\n" |
| 771 | " g();\n" |
| 772 | "else\n" |
| 773 | " h();" ); |
| 774 | verifyFormat("if (a) {\n" |
| 775 | " f();\n" |
| 776 | "}\n" |
| 777 | "// or else ..\n" |
| 778 | "else {\n" |
| 779 | " g()\n" |
| 780 | "}" ); |
| 781 | |
| 782 | verifyFormat("if (a) {\n" |
| 783 | "} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 784 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaa)) {\n" |
| 785 | "}" ); |
| 786 | verifyFormat("if (a) {\n" |
| 787 | "} else if (\n" |
| 788 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| 789 | "}" , |
| 790 | getLLVMStyleWithColumns(62)); |
| 791 | verifyFormat("if (a) {\n" |
| 792 | "} else if constexpr (\n" |
| 793 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| 794 | "}" , |
| 795 | getLLVMStyleWithColumns(62)); |
| 796 | } |
| 797 | |
| 798 | TEST_F(FormatTest, FormatsForLoop) { |
| 799 | verifyFormat( |
| 800 | "for (int VeryVeryLongLoopVariable = 0; VeryVeryLongLoopVariable < 10;\n" |
| 801 | " ++VeryVeryLongLoopVariable)\n" |
| 802 | " ;" ); |
| 803 | verifyFormat("for (;;)\n" |
| 804 | " f();" ); |
| 805 | verifyFormat("for (;;) {\n}" ); |
| 806 | verifyFormat("for (;;) {\n" |
| 807 | " f();\n" |
| 808 | "}" ); |
| 809 | verifyFormat("for (int i = 0; (i < 10); ++i) {\n}" ); |
| 810 | |
| 811 | verifyFormat( |
| 812 | "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n" |
| 813 | " E = UnwrappedLines.end();\n" |
| 814 | " I != E; ++I) {\n}" ); |
| 815 | |
| 816 | verifyFormat( |
| 817 | "for (MachineFun::iterator IIII = PrevIt, EEEE = F.end(); IIII != EEEE;\n" |
| 818 | " ++IIIII) {\n}" ); |
| 819 | verifyFormat("for (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaa =\n" |
| 820 | " aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaa;\n" |
| 821 | " aaaaaaaaaaa != aaaaaaaaaaaaaaaaaaa; ++aaaaaaaaaaa) {\n}" ); |
| 822 | verifyFormat("for (llvm::ArrayRef<NamedDecl *>::iterator\n" |
| 823 | " I = FD->getDeclsInPrototypeScope().begin(),\n" |
| 824 | " E = FD->getDeclsInPrototypeScope().end();\n" |
| 825 | " I != E; ++I) {\n}" ); |
| 826 | verifyFormat("for (SmallVectorImpl<TemplateIdAnnotationn *>::iterator\n" |
| 827 | " I = Container.begin(),\n" |
| 828 | " E = Container.end();\n" |
| 829 | " I != E; ++I) {\n}" , |
| 830 | getLLVMStyleWithColumns(76)); |
| 831 | |
| 832 | verifyFormat( |
| 833 | "for (aaaaaaaaaaaaaaaaa aaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n" |
| 834 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa !=\n" |
| 835 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 836 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n" |
| 837 | " ++aaaaaaaaaaa) {\n}" ); |
| 838 | verifyFormat("for (int i = 0; i < aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 839 | " bbbbbbbbbbbbbbbbbbbb < ccccccccccccccc;\n" |
| 840 | " ++i) {\n}" ); |
| 841 | verifyFormat("for (int aaaaaaaaaaa = 1; aaaaaaaaaaa <= bbbbbbbbbbbbbbb;\n" |
| 842 | " aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n" |
| 843 | "}" ); |
| 844 | verifyFormat("for (some_namespace::SomeIterator iter( // force break\n" |
| 845 | " aaaaaaaaaa);\n" |
| 846 | " iter; ++iter) {\n" |
| 847 | "}" ); |
| 848 | verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 849 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n" |
| 850 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa != bbbbbbbbbbbbbbbbbbbbbbb;\n" |
| 851 | " ++aaaaaaaaaaaaaaaaaaaaaaaaaaa) {" ); |
| 852 | |
| 853 | // These should not be formatted as Objective-C for-in loops. |
| 854 | verifyFormat("for (Foo *x = 0; x != in; x++) {\n}" ); |
| 855 | verifyFormat("Foo *x;\nfor (x = 0; x != in; x++) {\n}" ); |
| 856 | verifyFormat("Foo *x;\nfor (x in y) {\n}" ); |
| 857 | verifyFormat("for (const Foo<Bar> &baz = in.value(); !baz.at_end(); ++baz) {\n}" ); |
| 858 | |
| 859 | FormatStyle NoBinPacking = getLLVMStyle(); |
| 860 | NoBinPacking.BinPackParameters = false; |
| 861 | verifyFormat("for (int aaaaaaaaaaa = 1;\n" |
| 862 | " aaaaaaaaaaa <= aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa,\n" |
| 863 | " aaaaaaaaaaaaaaaa,\n" |
| 864 | " aaaaaaaaaaaaaaaa,\n" |
| 865 | " aaaaaaaaaaaaaaaa);\n" |
| 866 | " aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n" |
| 867 | "}" , |
| 868 | NoBinPacking); |
| 869 | verifyFormat( |
| 870 | "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n" |
| 871 | " E = UnwrappedLines.end();\n" |
| 872 | " I != E;\n" |
| 873 | " ++I) {\n}" , |
| 874 | NoBinPacking); |
| 875 | |
| 876 | FormatStyle AlignLeft = getLLVMStyle(); |
| 877 | AlignLeft.PointerAlignment = FormatStyle::PAS_Left; |
| 878 | verifyFormat("for (A* a = start; a < end; ++a, ++value) {\n}" , AlignLeft); |
| 879 | } |
| 880 | |
| 881 | TEST_F(FormatTest, RangeBasedForLoops) { |
| 882 | verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 883 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}" ); |
| 884 | verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaa :\n" |
| 885 | " aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa, aaaaaaaaaaaaa)) {\n}" ); |
| 886 | verifyFormat("for (const aaaaaaaaaaaaaaaaaaaaa &aaaaaaaaa :\n" |
| 887 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}" ); |
| 888 | verifyFormat("for (aaaaaaaaa aaaaaaaaaaaaaaaaaaaaa :\n" |
| 889 | " aaaaaaaaaaaa.aaaaaaaaaaaa().aaaaaaaaa().a()) {\n}" ); |
| 890 | } |
| 891 | |
| 892 | TEST_F(FormatTest, ForEachLoops) { |
| 893 | verifyFormat("void f() {\n" |
| 894 | " foreach (Item *item, itemlist) {}\n" |
| 895 | " Q_FOREACH (Item *item, itemlist) {}\n" |
| 896 | " BOOST_FOREACH (Item *item, itemlist) {}\n" |
| 897 | " UNKNOWN_FORACH(Item * item, itemlist) {}\n" |
| 898 | "}" ); |
| 899 | |
| 900 | // As function-like macros. |
| 901 | verifyFormat("#define foreach(x, y)\n" |
| 902 | "#define Q_FOREACH(x, y)\n" |
| 903 | "#define BOOST_FOREACH(x, y)\n" |
| 904 | "#define UNKNOWN_FOREACH(x, y)\n" ); |
| 905 | |
| 906 | // Not as function-like macros. |
| 907 | verifyFormat("#define foreach (x, y)\n" |
| 908 | "#define Q_FOREACH (x, y)\n" |
| 909 | "#define BOOST_FOREACH (x, y)\n" |
| 910 | "#define UNKNOWN_FOREACH (x, y)\n" ); |
| 911 | } |
| 912 | |
| 913 | TEST_F(FormatTest, FormatsWhileLoop) { |
| 914 | verifyFormat("while (true) {\n}" ); |
| 915 | verifyFormat("while (true)\n" |
| 916 | " f();" ); |
| 917 | verifyFormat("while () {\n}" ); |
| 918 | verifyFormat("while () {\n" |
| 919 | " f();\n" |
| 920 | "}" ); |
| 921 | } |
| 922 | |
| 923 | TEST_F(FormatTest, FormatsDoWhile) { |
| 924 | verifyFormat("do {\n" |
| 925 | " do_something();\n" |
| 926 | "} while (something());" ); |
| 927 | verifyFormat("do\n" |
| 928 | " do_something();\n" |
| 929 | "while (something());" ); |
| 930 | } |
| 931 | |
| 932 | TEST_F(FormatTest, FormatsSwitchStatement) { |
| 933 | verifyFormat("switch (x) {\n" |
| 934 | "case 1:\n" |
| 935 | " f();\n" |
| 936 | " break;\n" |
| 937 | "case kFoo:\n" |
| 938 | "case ns::kBar:\n" |
| 939 | "case kBaz:\n" |
| 940 | " break;\n" |
| 941 | "default:\n" |
| 942 | " g();\n" |
| 943 | " break;\n" |
| 944 | "}" ); |
| 945 | verifyFormat("switch (x) {\n" |
| 946 | "case 1: {\n" |
| 947 | " f();\n" |
| 948 | " break;\n" |
| 949 | "}\n" |
| 950 | "case 2: {\n" |
| 951 | " break;\n" |
| 952 | "}\n" |
| 953 | "}" ); |
| 954 | verifyFormat("switch (x) {\n" |
| 955 | "case 1: {\n" |
| 956 | " f();\n" |
| 957 | " {\n" |
| 958 | " g();\n" |
| 959 | " h();\n" |
| 960 | " }\n" |
| 961 | " break;\n" |
| 962 | "}\n" |
| 963 | "}" ); |
| 964 | verifyFormat("switch (x) {\n" |
| 965 | "case 1: {\n" |
| 966 | " f();\n" |
| 967 | " if (foo) {\n" |
| 968 | " g();\n" |
| 969 | " h();\n" |
| 970 | " }\n" |
| 971 | " break;\n" |
| 972 | "}\n" |
| 973 | "}" ); |
| 974 | verifyFormat("switch (x) {\n" |
| 975 | "case 1: {\n" |
| 976 | " f();\n" |
| 977 | " g();\n" |
| 978 | "} break;\n" |
| 979 | "}" ); |
| 980 | verifyFormat("switch (test)\n" |
| 981 | " ;" ); |
| 982 | verifyFormat("switch (x) {\n" |
| 983 | "default: {\n" |
| 984 | " // Do nothing.\n" |
| 985 | "}\n" |
| 986 | "}" ); |
| 987 | verifyFormat("switch (x) {\n" |
| 988 | "// comment\n" |
| 989 | "// if 1, do f()\n" |
| 990 | "case 1:\n" |
| 991 | " f();\n" |
| 992 | "}" ); |
| 993 | verifyFormat("switch (x) {\n" |
| 994 | "case 1:\n" |
| 995 | " // Do amazing stuff\n" |
| 996 | " {\n" |
| 997 | " f();\n" |
| 998 | " g();\n" |
| 999 | " }\n" |
| 1000 | " break;\n" |
| 1001 | "}" ); |
| 1002 | verifyFormat("#define A \\\n" |
| 1003 | " switch (x) { \\\n" |
| 1004 | " case a: \\\n" |
| 1005 | " foo = b; \\\n" |
| 1006 | " }" , |
| 1007 | getLLVMStyleWithColumns(20)); |
| 1008 | verifyFormat("#define OPERATION_CASE(name) \\\n" |
| 1009 | " case OP_name: \\\n" |
| 1010 | " return operations::Operation##name\n" , |
| 1011 | getLLVMStyleWithColumns(40)); |
| 1012 | verifyFormat("switch (x) {\n" |
| 1013 | "case 1:;\n" |
| 1014 | "default:;\n" |
| 1015 | " int i;\n" |
| 1016 | "}" ); |
| 1017 | |
| 1018 | verifyGoogleFormat("switch (x) {\n" |
| 1019 | " case 1:\n" |
| 1020 | " f();\n" |
| 1021 | " break;\n" |
| 1022 | " case kFoo:\n" |
| 1023 | " case ns::kBar:\n" |
| 1024 | " case kBaz:\n" |
| 1025 | " break;\n" |
| 1026 | " default:\n" |
| 1027 | " g();\n" |
| 1028 | " break;\n" |
| 1029 | "}" ); |
| 1030 | verifyGoogleFormat("switch (x) {\n" |
| 1031 | " case 1: {\n" |
| 1032 | " f();\n" |
| 1033 | " break;\n" |
| 1034 | " }\n" |
| 1035 | "}" ); |
| 1036 | verifyGoogleFormat("switch (test)\n" |
| 1037 | " ;" ); |
| 1038 | |
| 1039 | verifyGoogleFormat("#define OPERATION_CASE(name) \\\n" |
| 1040 | " case OP_name: \\\n" |
| 1041 | " return operations::Operation##name\n" ); |
| 1042 | verifyGoogleFormat("Operation codeToOperation(OperationCode OpCode) {\n" |
| 1043 | " // Get the correction operation class.\n" |
| 1044 | " switch (OpCode) {\n" |
| 1045 | " CASE(Add);\n" |
| 1046 | " CASE(Subtract);\n" |
| 1047 | " default:\n" |
| 1048 | " return operations::Unknown;\n" |
| 1049 | " }\n" |
| 1050 | "#undef OPERATION_CASE\n" |
| 1051 | "}" ); |
| 1052 | verifyFormat("DEBUG({\n" |
| 1053 | " switch (x) {\n" |
| 1054 | " case A:\n" |
| 1055 | " f();\n" |
| 1056 | " break;\n" |
| 1057 | " // fallthrough\n" |
| 1058 | " case B:\n" |
| 1059 | " g();\n" |
| 1060 | " break;\n" |
| 1061 | " }\n" |
| 1062 | "});" ); |
| 1063 | EXPECT_EQ("DEBUG({\n" |
| 1064 | " switch (x) {\n" |
| 1065 | " case A:\n" |
| 1066 | " f();\n" |
| 1067 | " break;\n" |
| 1068 | " // On B:\n" |
| 1069 | " case B:\n" |
| 1070 | " g();\n" |
| 1071 | " break;\n" |
| 1072 | " }\n" |
| 1073 | "});" , |
| 1074 | format("DEBUG({\n" |
| 1075 | " switch (x) {\n" |
| 1076 | " case A:\n" |
| 1077 | " f();\n" |
| 1078 | " break;\n" |
| 1079 | " // On B:\n" |
| 1080 | " case B:\n" |
| 1081 | " g();\n" |
| 1082 | " break;\n" |
| 1083 | " }\n" |
| 1084 | "});" , |
| 1085 | getLLVMStyle())); |
| 1086 | EXPECT_EQ("switch (n) {\n" |
| 1087 | "case 0: {\n" |
| 1088 | " return false;\n" |
| 1089 | "}\n" |
| 1090 | "default: {\n" |
| 1091 | " return true;\n" |
| 1092 | "}\n" |
| 1093 | "}" , |
| 1094 | format("switch (n)\n" |
| 1095 | "{\n" |
| 1096 | "case 0: {\n" |
| 1097 | " return false;\n" |
| 1098 | "}\n" |
| 1099 | "default: {\n" |
| 1100 | " return true;\n" |
| 1101 | "}\n" |
| 1102 | "}" , |
| 1103 | getLLVMStyle())); |
| 1104 | verifyFormat("switch (a) {\n" |
| 1105 | "case (b):\n" |
| 1106 | " return;\n" |
| 1107 | "}" ); |
| 1108 | |
| 1109 | verifyFormat("switch (a) {\n" |
| 1110 | "case some_namespace::\n" |
| 1111 | " some_constant:\n" |
| 1112 | " return;\n" |
| 1113 | "}" , |
| 1114 | getLLVMStyleWithColumns(34)); |
| 1115 | |
| 1116 | FormatStyle Style = getLLVMStyle(); |
| 1117 | Style.IndentCaseLabels = true; |
| 1118 | Style.AllowShortBlocksOnASingleLine = false; |
| 1119 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 1120 | Style.BraceWrapping.AfterCaseLabel = true; |
| 1121 | Style.BraceWrapping.AfterControlStatement = true; |
| 1122 | EXPECT_EQ("switch (n)\n" |
| 1123 | "{\n" |
| 1124 | " case 0:\n" |
| 1125 | " {\n" |
| 1126 | " return false;\n" |
| 1127 | " }\n" |
| 1128 | " default:\n" |
| 1129 | " {\n" |
| 1130 | " return true;\n" |
| 1131 | " }\n" |
| 1132 | "}" , |
| 1133 | format("switch (n) {\n" |
| 1134 | " case 0: {\n" |
| 1135 | " return false;\n" |
| 1136 | " }\n" |
| 1137 | " default: {\n" |
| 1138 | " return true;\n" |
| 1139 | " }\n" |
| 1140 | "}" , |
| 1141 | Style)); |
| 1142 | Style.BraceWrapping.AfterCaseLabel = false; |
| 1143 | EXPECT_EQ("switch (n)\n" |
| 1144 | "{\n" |
| 1145 | " case 0: {\n" |
| 1146 | " return false;\n" |
| 1147 | " }\n" |
| 1148 | " default: {\n" |
| 1149 | " return true;\n" |
| 1150 | " }\n" |
| 1151 | "}" , |
| 1152 | format("switch (n) {\n" |
| 1153 | " case 0:\n" |
| 1154 | " {\n" |
| 1155 | " return false;\n" |
| 1156 | " }\n" |
| 1157 | " default:\n" |
| 1158 | " {\n" |
| 1159 | " return true;\n" |
| 1160 | " }\n" |
| 1161 | "}" , |
| 1162 | Style)); |
| 1163 | } |
| 1164 | |
| 1165 | TEST_F(FormatTest, CaseRanges) { |
| 1166 | verifyFormat("switch (x) {\n" |
| 1167 | "case 'A' ... 'Z':\n" |
| 1168 | "case 1 ... 5:\n" |
| 1169 | "case a ... b:\n" |
| 1170 | " break;\n" |
| 1171 | "}" ); |
| 1172 | } |
| 1173 | |
| 1174 | TEST_F(FormatTest, ShortCaseLabels) { |
| 1175 | FormatStyle Style = getLLVMStyle(); |
| 1176 | Style.AllowShortCaseLabelsOnASingleLine = true; |
| 1177 | verifyFormat("switch (a) {\n" |
| 1178 | "case 1: x = 1; break;\n" |
| 1179 | "case 2: return;\n" |
| 1180 | "case 3:\n" |
| 1181 | "case 4:\n" |
| 1182 | "case 5: return;\n" |
| 1183 | "case 6: // comment\n" |
| 1184 | " return;\n" |
| 1185 | "case 7:\n" |
| 1186 | " // comment\n" |
| 1187 | " return;\n" |
| 1188 | "case 8:\n" |
| 1189 | " x = 8; // comment\n" |
| 1190 | " break;\n" |
| 1191 | "default: y = 1; break;\n" |
| 1192 | "}" , |
| 1193 | Style); |
| 1194 | verifyFormat("switch (a) {\n" |
| 1195 | "case 0: return; // comment\n" |
| 1196 | "case 1: break; // comment\n" |
| 1197 | "case 2: return;\n" |
| 1198 | "// comment\n" |
| 1199 | "case 3: return;\n" |
| 1200 | "// comment 1\n" |
| 1201 | "// comment 2\n" |
| 1202 | "// comment 3\n" |
| 1203 | "case 4: break; /* comment */\n" |
| 1204 | "case 5:\n" |
| 1205 | " // comment\n" |
| 1206 | " break;\n" |
| 1207 | "case 6: /* comment */ x = 1; break;\n" |
| 1208 | "case 7: x = /* comment */ 1; break;\n" |
| 1209 | "case 8:\n" |
| 1210 | " x = 1; /* comment */\n" |
| 1211 | " break;\n" |
| 1212 | "case 9:\n" |
| 1213 | " break; // comment line 1\n" |
| 1214 | " // comment line 2\n" |
| 1215 | "}" , |
| 1216 | Style); |
| 1217 | EXPECT_EQ("switch (a) {\n" |
| 1218 | "case 1:\n" |
| 1219 | " x = 8;\n" |
| 1220 | " // fall through\n" |
| 1221 | "case 2: x = 8;\n" |
| 1222 | "// comment\n" |
| 1223 | "case 3:\n" |
| 1224 | " return; /* comment line 1\n" |
| 1225 | " * comment line 2 */\n" |
| 1226 | "case 4: i = 8;\n" |
| 1227 | "// something else\n" |
| 1228 | "#if FOO\n" |
| 1229 | "case 5: break;\n" |
| 1230 | "#endif\n" |
| 1231 | "}" , |
| 1232 | format("switch (a) {\n" |
| 1233 | "case 1: x = 8;\n" |
| 1234 | " // fall through\n" |
| 1235 | "case 2:\n" |
| 1236 | " x = 8;\n" |
| 1237 | "// comment\n" |
| 1238 | "case 3:\n" |
| 1239 | " return; /* comment line 1\n" |
| 1240 | " * comment line 2 */\n" |
| 1241 | "case 4:\n" |
| 1242 | " i = 8;\n" |
| 1243 | "// something else\n" |
| 1244 | "#if FOO\n" |
| 1245 | "case 5: break;\n" |
| 1246 | "#endif\n" |
| 1247 | "}" , |
| 1248 | Style)); |
| 1249 | EXPECT_EQ("switch (a) {\n" "case 0:\n" |
| 1250 | " return; // long long long long long long long long long long long long comment\n" |
| 1251 | " // line\n" "}" , |
| 1252 | format("switch (a) {\n" |
| 1253 | "case 0: return; // long long long long long long long long long long long long comment line\n" |
| 1254 | "}" , |
| 1255 | Style)); |
| 1256 | EXPECT_EQ("switch (a) {\n" |
| 1257 | "case 0:\n" |
| 1258 | " return; /* long long long long long long long long long long long long comment\n" |
| 1259 | " line */\n" |
| 1260 | "}" , |
| 1261 | format("switch (a) {\n" |
| 1262 | "case 0: return; /* long long long long long long long long long long long long comment line */\n" |
| 1263 | "}" , |
| 1264 | Style)); |
| 1265 | verifyFormat("switch (a) {\n" |
| 1266 | "#if FOO\n" |
| 1267 | "case 0: return 0;\n" |
| 1268 | "#endif\n" |
| 1269 | "}" , |
| 1270 | Style); |
| 1271 | verifyFormat("switch (a) {\n" |
| 1272 | "case 1: {\n" |
| 1273 | "}\n" |
| 1274 | "case 2: {\n" |
| 1275 | " return;\n" |
| 1276 | "}\n" |
| 1277 | "case 3: {\n" |
| 1278 | " x = 1;\n" |
| 1279 | " return;\n" |
| 1280 | "}\n" |
| 1281 | "case 4:\n" |
| 1282 | " if (x)\n" |
| 1283 | " return;\n" |
| 1284 | "}" , |
| 1285 | Style); |
| 1286 | Style.ColumnLimit = 21; |
| 1287 | verifyFormat("switch (a) {\n" |
| 1288 | "case 1: x = 1; break;\n" |
| 1289 | "case 2: return;\n" |
| 1290 | "case 3:\n" |
| 1291 | "case 4:\n" |
| 1292 | "case 5: return;\n" |
| 1293 | "default:\n" |
| 1294 | " y = 1;\n" |
| 1295 | " break;\n" |
| 1296 | "}" , |
| 1297 | Style); |
| 1298 | Style.ColumnLimit = 80; |
| 1299 | Style.AllowShortCaseLabelsOnASingleLine = false; |
| 1300 | Style.IndentCaseLabels = true; |
| 1301 | EXPECT_EQ("switch (n) {\n" |
| 1302 | " default /*comments*/:\n" |
| 1303 | " return true;\n" |
| 1304 | " case 0:\n" |
| 1305 | " return false;\n" |
| 1306 | "}" , |
| 1307 | format("switch (n) {\n" |
| 1308 | "default/*comments*/:\n" |
| 1309 | " return true;\n" |
| 1310 | "case 0:\n" |
| 1311 | " return false;\n" |
| 1312 | "}" , |
| 1313 | Style)); |
| 1314 | Style.AllowShortCaseLabelsOnASingleLine = true; |
| 1315 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 1316 | Style.BraceWrapping.AfterCaseLabel = true; |
| 1317 | Style.BraceWrapping.AfterControlStatement = true; |
| 1318 | EXPECT_EQ("switch (n)\n" |
| 1319 | "{\n" |
| 1320 | " case 0:\n" |
| 1321 | " {\n" |
| 1322 | " return false;\n" |
| 1323 | " }\n" |
| 1324 | " default:\n" |
| 1325 | " {\n" |
| 1326 | " return true;\n" |
| 1327 | " }\n" |
| 1328 | "}" , |
| 1329 | format("switch (n) {\n" |
| 1330 | " case 0: {\n" |
| 1331 | " return false;\n" |
| 1332 | " }\n" |
| 1333 | " default:\n" |
| 1334 | " {\n" |
| 1335 | " return true;\n" |
| 1336 | " }\n" |
| 1337 | "}" , |
| 1338 | Style)); |
| 1339 | } |
| 1340 | |
| 1341 | TEST_F(FormatTest, FormatsLabels) { |
| 1342 | verifyFormat("void f() {\n" |
| 1343 | " some_code();\n" |
| 1344 | "test_label:\n" |
| 1345 | " some_other_code();\n" |
| 1346 | " {\n" |
| 1347 | " some_more_code();\n" |
| 1348 | " another_label:\n" |
| 1349 | " some_more_code();\n" |
| 1350 | " }\n" |
| 1351 | "}" ); |
| 1352 | verifyFormat("{\n" |
| 1353 | " some_code();\n" |
| 1354 | "test_label:\n" |
| 1355 | " some_other_code();\n" |
| 1356 | "}" ); |
| 1357 | verifyFormat("{\n" |
| 1358 | " some_code();\n" |
| 1359 | "test_label:;\n" |
| 1360 | " int i = 0;\n" |
| 1361 | "}" ); |
| 1362 | } |
| 1363 | |
| 1364 | //===----------------------------------------------------------------------===// |
| 1365 | // Tests for classes, namespaces, etc. |
| 1366 | //===----------------------------------------------------------------------===// |
| 1367 | |
| 1368 | TEST_F(FormatTest, DoesNotBreakSemiAfterClassDecl) { |
| 1369 | verifyFormat("class A {};" ); |
| 1370 | } |
| 1371 | |
| 1372 | TEST_F(FormatTest, UnderstandsAccessSpecifiers) { |
| 1373 | verifyFormat("class A {\n" |
| 1374 | "public:\n" |
| 1375 | "public: // comment\n" |
| 1376 | "protected:\n" |
| 1377 | "private:\n" |
| 1378 | " void f() {}\n" |
| 1379 | "};" ); |
| 1380 | verifyFormat("export class A {\n" |
| 1381 | "public:\n" |
| 1382 | "public: // comment\n" |
| 1383 | "protected:\n" |
| 1384 | "private:\n" |
| 1385 | " void f() {}\n" |
| 1386 | "};" ); |
| 1387 | verifyGoogleFormat("class A {\n" |
| 1388 | " public:\n" |
| 1389 | " protected:\n" |
| 1390 | " private:\n" |
| 1391 | " void f() {}\n" |
| 1392 | "};" ); |
| 1393 | verifyGoogleFormat("export class A {\n" |
| 1394 | " public:\n" |
| 1395 | " protected:\n" |
| 1396 | " private:\n" |
| 1397 | " void f() {}\n" |
| 1398 | "};" ); |
| 1399 | verifyFormat("class A {\n" |
| 1400 | "public slots:\n" |
| 1401 | " void f1() {}\n" |
| 1402 | "public Q_SLOTS:\n" |
| 1403 | " void f2() {}\n" |
| 1404 | "protected slots:\n" |
| 1405 | " void f3() {}\n" |
| 1406 | "protected Q_SLOTS:\n" |
| 1407 | " void f4() {}\n" |
| 1408 | "private slots:\n" |
| 1409 | " void f5() {}\n" |
| 1410 | "private Q_SLOTS:\n" |
| 1411 | " void f6() {}\n" |
| 1412 | "signals:\n" |
| 1413 | " void g1();\n" |
| 1414 | "Q_SIGNALS:\n" |
| 1415 | " void g2();\n" |
| 1416 | "};" ); |
| 1417 | |
| 1418 | // Don't interpret 'signals' the wrong way. |
| 1419 | verifyFormat("signals.set();" ); |
| 1420 | verifyFormat("for (Signals signals : f()) {\n}" ); |
| 1421 | verifyFormat("{\n" |
| 1422 | " signals.set(); // This needs indentation.\n" |
| 1423 | "}" ); |
| 1424 | verifyFormat("void f() {\n" |
| 1425 | "label:\n" |
| 1426 | " signals.baz();\n" |
| 1427 | "}" ); |
| 1428 | } |
| 1429 | |
| 1430 | TEST_F(FormatTest, SeparatesLogicalBlocks) { |
| 1431 | EXPECT_EQ("class A {\n" |
| 1432 | "public:\n" |
| 1433 | " void f();\n" |
| 1434 | "\n" |
| 1435 | "private:\n" |
| 1436 | " void g() {}\n" |
| 1437 | " // test\n" |
| 1438 | "protected:\n" |
| 1439 | " int h;\n" |
| 1440 | "};" , |
| 1441 | format("class A {\n" |
| 1442 | "public:\n" |
| 1443 | "void f();\n" |
| 1444 | "private:\n" |
| 1445 | "void g() {}\n" |
| 1446 | "// test\n" |
| 1447 | "protected:\n" |
| 1448 | "int h;\n" |
| 1449 | "};" )); |
| 1450 | EXPECT_EQ("class A {\n" |
| 1451 | "protected:\n" |
| 1452 | "public:\n" |
| 1453 | " void f();\n" |
| 1454 | "};" , |
| 1455 | format("class A {\n" |
| 1456 | "protected:\n" |
| 1457 | "\n" |
| 1458 | "public:\n" |
| 1459 | "\n" |
| 1460 | " void f();\n" |
| 1461 | "};" )); |
| 1462 | |
| 1463 | // Even ensure proper spacing inside macros. |
| 1464 | EXPECT_EQ("#define B \\\n" |
| 1465 | " class A { \\\n" |
| 1466 | " protected: \\\n" |
| 1467 | " public: \\\n" |
| 1468 | " void f(); \\\n" |
| 1469 | " };" , |
| 1470 | format("#define B \\\n" |
| 1471 | " class A { \\\n" |
| 1472 | " protected: \\\n" |
| 1473 | " \\\n" |
| 1474 | " public: \\\n" |
| 1475 | " \\\n" |
| 1476 | " void f(); \\\n" |
| 1477 | " };" , |
| 1478 | getGoogleStyle())); |
| 1479 | // But don't remove empty lines after macros ending in access specifiers. |
| 1480 | EXPECT_EQ("#define A private:\n" |
| 1481 | "\n" |
| 1482 | "int i;" , |
| 1483 | format("#define A private:\n" |
| 1484 | "\n" |
| 1485 | "int i;" )); |
| 1486 | } |
| 1487 | |
| 1488 | TEST_F(FormatTest, FormatsClasses) { |
| 1489 | verifyFormat("class A : public B {};" ); |
| 1490 | verifyFormat("class A : public ::B {};" ); |
| 1491 | |
| 1492 | verifyFormat( |
| 1493 | "class AAAAAAAAAAAAAAAAAAAA : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n" |
| 1494 | " public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {};" ); |
| 1495 | verifyFormat("class AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n" |
| 1496 | " : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n" |
| 1497 | " public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {};" ); |
| 1498 | verifyFormat( |
| 1499 | "class A : public B, public C, public D, public E, public F {};" ); |
| 1500 | verifyFormat("class AAAAAAAAAAAA : public B,\n" |
| 1501 | " public C,\n" |
| 1502 | " public D,\n" |
| 1503 | " public E,\n" |
| 1504 | " public F,\n" |
| 1505 | " public G {};" ); |
| 1506 | |
| 1507 | verifyFormat("class\n" |
| 1508 | " ReallyReallyLongClassName {\n" |
| 1509 | " int i;\n" |
| 1510 | "};" , |
| 1511 | getLLVMStyleWithColumns(32)); |
| 1512 | verifyFormat("struct aaaaaaaaaaaaa : public aaaaaaaaaaaaaaaaaaa< // break\n" |
| 1513 | " aaaaaaaaaaaaaaaa> {};" ); |
| 1514 | verifyFormat("struct aaaaaaaaaaaaaaaaaaaa\n" |
| 1515 | " : public aaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaa,\n" |
| 1516 | " aaaaaaaaaaaaaaaaaaaaaa> {};" ); |
| 1517 | verifyFormat("template <class R, class C>\n" |
| 1518 | "struct Aaaaaaaaaaaaaaaaa<R (C::*)(int) const>\n" |
| 1519 | " : Aaaaaaaaaaaaaaaaa<R (C::*)(int)> {};" ); |
| 1520 | verifyFormat("class ::A::B {};" ); |
| 1521 | } |
| 1522 | |
| 1523 | TEST_F(FormatTest, BreakInheritanceStyle) { |
| 1524 | FormatStyle StyleWithInheritanceBreakBeforeComma = getLLVMStyle(); |
| 1525 | StyleWithInheritanceBreakBeforeComma.BreakInheritanceList = |
| 1526 | FormatStyle::BILS_BeforeComma; |
| 1527 | verifyFormat("class MyClass : public X {};" , |
| 1528 | StyleWithInheritanceBreakBeforeComma); |
| 1529 | verifyFormat("class MyClass\n" |
| 1530 | " : public X\n" |
| 1531 | " , public Y {};" , |
| 1532 | StyleWithInheritanceBreakBeforeComma); |
| 1533 | verifyFormat("class AAAAAAAAAAAAAAAAAAAAAA\n" |
| 1534 | " : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB\n" |
| 1535 | " , public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {};" , |
| 1536 | StyleWithInheritanceBreakBeforeComma); |
| 1537 | verifyFormat("struct aaaaaaaaaaaaa\n" |
| 1538 | " : public aaaaaaaaaaaaaaaaaaa< // break\n" |
| 1539 | " aaaaaaaaaaaaaaaa> {};" , |
| 1540 | StyleWithInheritanceBreakBeforeComma); |
| 1541 | |
| 1542 | FormatStyle StyleWithInheritanceBreakAfterColon = getLLVMStyle(); |
| 1543 | StyleWithInheritanceBreakAfterColon.BreakInheritanceList = |
| 1544 | FormatStyle::BILS_AfterColon; |
| 1545 | verifyFormat("class MyClass : public X {};" , |
| 1546 | StyleWithInheritanceBreakAfterColon); |
| 1547 | verifyFormat("class MyClass : public X, public Y {};" , |
| 1548 | StyleWithInheritanceBreakAfterColon); |
| 1549 | verifyFormat("class AAAAAAAAAAAAAAAAAAAAAA :\n" |
| 1550 | " public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n" |
| 1551 | " public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {};" , |
| 1552 | StyleWithInheritanceBreakAfterColon); |
| 1553 | verifyFormat("struct aaaaaaaaaaaaa :\n" |
| 1554 | " public aaaaaaaaaaaaaaaaaaa< // break\n" |
| 1555 | " aaaaaaaaaaaaaaaa> {};" , |
| 1556 | StyleWithInheritanceBreakAfterColon); |
| 1557 | } |
| 1558 | |
| 1559 | TEST_F(FormatTest, FormatsVariableDeclarationsAfterStructOrClass) { |
| 1560 | verifyFormat("class A {\n} a, b;" ); |
| 1561 | verifyFormat("struct A {\n} a, b;" ); |
| 1562 | verifyFormat("union A {\n} a;" ); |
| 1563 | } |
| 1564 | |
| 1565 | TEST_F(FormatTest, FormatsEnum) { |
| 1566 | verifyFormat("enum {\n" |
| 1567 | " Zero,\n" |
| 1568 | " One = 1,\n" |
| 1569 | " Two = One + 1,\n" |
| 1570 | " Three = (One + Two),\n" |
| 1571 | " Four = (Zero && (One ^ Two)) | (One << Two),\n" |
| 1572 | " Five = (One, Two, Three, Four, 5)\n" |
| 1573 | "};" ); |
| 1574 | verifyGoogleFormat("enum {\n" |
| 1575 | " Zero,\n" |
| 1576 | " One = 1,\n" |
| 1577 | " Two = One + 1,\n" |
| 1578 | " Three = (One + Two),\n" |
| 1579 | " Four = (Zero && (One ^ Two)) | (One << Two),\n" |
| 1580 | " Five = (One, Two, Three, Four, 5)\n" |
| 1581 | "};" ); |
| 1582 | verifyFormat("enum Enum {};" ); |
| 1583 | verifyFormat("enum {};" ); |
| 1584 | verifyFormat("enum X E {} d;" ); |
| 1585 | verifyFormat("enum __attribute__((...)) E {} d;" ); |
| 1586 | verifyFormat("enum __declspec__((...)) E {} d;" ); |
| 1587 | verifyFormat("enum {\n" |
| 1588 | " Bar = Foo<int, int>::value\n" |
| 1589 | "};" , |
| 1590 | getLLVMStyleWithColumns(30)); |
| 1591 | |
| 1592 | verifyFormat("enum ShortEnum { A, B, C };" ); |
| 1593 | verifyGoogleFormat("enum ShortEnum { A, B, C };" ); |
| 1594 | |
| 1595 | EXPECT_EQ("enum KeepEmptyLines {\n" |
| 1596 | " ONE,\n" |
| 1597 | "\n" |
| 1598 | " TWO,\n" |
| 1599 | "\n" |
| 1600 | " THREE\n" |
| 1601 | "}" , |
| 1602 | format("enum KeepEmptyLines {\n" |
| 1603 | " ONE,\n" |
| 1604 | "\n" |
| 1605 | " TWO,\n" |
| 1606 | "\n" |
| 1607 | "\n" |
| 1608 | " THREE\n" |
| 1609 | "}" )); |
| 1610 | verifyFormat("enum E { // comment\n" |
| 1611 | " ONE,\n" |
| 1612 | " TWO\n" |
| 1613 | "};\n" |
| 1614 | "int i;" ); |
| 1615 | // Not enums. |
| 1616 | verifyFormat("enum X f() {\n" |
| 1617 | " a();\n" |
| 1618 | " return 42;\n" |
| 1619 | "}" ); |
| 1620 | verifyFormat("enum X Type::f() {\n" |
| 1621 | " a();\n" |
| 1622 | " return 42;\n" |
| 1623 | "}" ); |
| 1624 | verifyFormat("enum ::X f() {\n" |
| 1625 | " a();\n" |
| 1626 | " return 42;\n" |
| 1627 | "}" ); |
| 1628 | verifyFormat("enum ns::X f() {\n" |
| 1629 | " a();\n" |
| 1630 | " return 42;\n" |
| 1631 | "}" ); |
| 1632 | } |
| 1633 | |
| 1634 | TEST_F(FormatTest, FormatsEnumsWithErrors) { |
| 1635 | verifyFormat("enum Type {\n" |
| 1636 | " One = 0; // These semicolons should be commas.\n" |
| 1637 | " Two = 1;\n" |
| 1638 | "};" ); |
| 1639 | verifyFormat("namespace n {\n" |
| 1640 | "enum Type {\n" |
| 1641 | " One,\n" |
| 1642 | " Two, // missing };\n" |
| 1643 | " int i;\n" |
| 1644 | "}\n" |
| 1645 | "void g() {}" ); |
| 1646 | } |
| 1647 | |
| 1648 | TEST_F(FormatTest, FormatsEnumStruct) { |
| 1649 | verifyFormat("enum struct {\n" |
| 1650 | " Zero,\n" |
| 1651 | " One = 1,\n" |
| 1652 | " Two = One + 1,\n" |
| 1653 | " Three = (One + Two),\n" |
| 1654 | " Four = (Zero && (One ^ Two)) | (One << Two),\n" |
| 1655 | " Five = (One, Two, Three, Four, 5)\n" |
| 1656 | "};" ); |
| 1657 | verifyFormat("enum struct Enum {};" ); |
| 1658 | verifyFormat("enum struct {};" ); |
| 1659 | verifyFormat("enum struct X E {} d;" ); |
| 1660 | verifyFormat("enum struct __attribute__((...)) E {} d;" ); |
| 1661 | verifyFormat("enum struct __declspec__((...)) E {} d;" ); |
| 1662 | verifyFormat("enum struct X f() {\n a();\n return 42;\n}" ); |
| 1663 | } |
| 1664 | |
| 1665 | TEST_F(FormatTest, FormatsEnumClass) { |
| 1666 | verifyFormat("enum class {\n" |
| 1667 | " Zero,\n" |
| 1668 | " One = 1,\n" |
| 1669 | " Two = One + 1,\n" |
| 1670 | " Three = (One + Two),\n" |
| 1671 | " Four = (Zero && (One ^ Two)) | (One << Two),\n" |
| 1672 | " Five = (One, Two, Three, Four, 5)\n" |
| 1673 | "};" ); |
| 1674 | verifyFormat("enum class Enum {};" ); |
| 1675 | verifyFormat("enum class {};" ); |
| 1676 | verifyFormat("enum class X E {} d;" ); |
| 1677 | verifyFormat("enum class __attribute__((...)) E {} d;" ); |
| 1678 | verifyFormat("enum class __declspec__((...)) E {} d;" ); |
| 1679 | verifyFormat("enum class X f() {\n a();\n return 42;\n}" ); |
| 1680 | } |
| 1681 | |
| 1682 | TEST_F(FormatTest, FormatsEnumTypes) { |
| 1683 | verifyFormat("enum X : int {\n" |
| 1684 | " A, // Force multiple lines.\n" |
| 1685 | " B\n" |
| 1686 | "};" ); |
| 1687 | verifyFormat("enum X : int { A, B };" ); |
| 1688 | verifyFormat("enum X : std::uint32_t { A, B };" ); |
| 1689 | } |
| 1690 | |
| 1691 | TEST_F(FormatTest, FormatsTypedefEnum) { |
| 1692 | FormatStyle Style = getLLVMStyle(); |
| 1693 | Style.ColumnLimit = 40; |
| 1694 | verifyFormat("typedef enum {} EmptyEnum;" ); |
| 1695 | verifyFormat("typedef enum { A, B, C } ShortEnum;" ); |
| 1696 | verifyFormat("typedef enum {\n" |
| 1697 | " ZERO = 0,\n" |
| 1698 | " ONE = 1,\n" |
| 1699 | " TWO = 2,\n" |
| 1700 | " THREE = 3\n" |
| 1701 | "} LongEnum;" , |
| 1702 | Style); |
| 1703 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 1704 | Style.BraceWrapping.AfterEnum = true; |
| 1705 | verifyFormat("typedef enum {} EmptyEnum;" ); |
| 1706 | verifyFormat("typedef enum { A, B, C } ShortEnum;" ); |
| 1707 | verifyFormat("typedef enum\n" |
| 1708 | "{\n" |
| 1709 | " ZERO = 0,\n" |
| 1710 | " ONE = 1,\n" |
| 1711 | " TWO = 2,\n" |
| 1712 | " THREE = 3\n" |
| 1713 | "} LongEnum;" , |
| 1714 | Style); |
| 1715 | } |
| 1716 | |
| 1717 | TEST_F(FormatTest, FormatsNSEnums) { |
| 1718 | verifyGoogleFormat("typedef NS_ENUM(NSInteger, SomeName) { AAA, BBB }" ); |
| 1719 | verifyGoogleFormat("typedef NS_ENUM(NSInteger, MyType) {\n" |
| 1720 | " // Information about someDecentlyLongValue.\n" |
| 1721 | " someDecentlyLongValue,\n" |
| 1722 | " // Information about anotherDecentlyLongValue.\n" |
| 1723 | " anotherDecentlyLongValue,\n" |
| 1724 | " // Information about aThirdDecentlyLongValue.\n" |
| 1725 | " aThirdDecentlyLongValue\n" |
| 1726 | "};" ); |
| 1727 | verifyGoogleFormat("typedef NS_OPTIONS(NSInteger, MyType) {\n" |
| 1728 | " a = 1,\n" |
| 1729 | " b = 2,\n" |
| 1730 | " c = 3,\n" |
| 1731 | "};" ); |
| 1732 | verifyGoogleFormat("typedef CF_ENUM(NSInteger, MyType) {\n" |
| 1733 | " a = 1,\n" |
| 1734 | " b = 2,\n" |
| 1735 | " c = 3,\n" |
| 1736 | "};" ); |
| 1737 | verifyGoogleFormat("typedef CF_OPTIONS(NSInteger, MyType) {\n" |
| 1738 | " a = 1,\n" |
| 1739 | " b = 2,\n" |
| 1740 | " c = 3,\n" |
| 1741 | "};" ); |
| 1742 | } |
| 1743 | |
| 1744 | TEST_F(FormatTest, FormatsBitfields) { |
| 1745 | verifyFormat("struct Bitfields {\n" |
| 1746 | " unsigned sClass : 8;\n" |
| 1747 | " unsigned ValueKind : 2;\n" |
| 1748 | "};" ); |
| 1749 | verifyFormat("struct A {\n" |
| 1750 | " int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa : 1,\n" |
| 1751 | " bbbbbbbbbbbbbbbbbbbbbbbbb;\n" |
| 1752 | "};" ); |
| 1753 | verifyFormat("struct MyStruct {\n" |
| 1754 | " uchar data;\n" |
| 1755 | " uchar : 8;\n" |
| 1756 | " uchar : 8;\n" |
| 1757 | " uchar other;\n" |
| 1758 | "};" ); |
| 1759 | } |
| 1760 | |
| 1761 | TEST_F(FormatTest, FormatsNamespaces) { |
| 1762 | FormatStyle LLVMWithNoNamespaceFix = getLLVMStyle(); |
| 1763 | LLVMWithNoNamespaceFix.FixNamespaceComments = false; |
| 1764 | |
| 1765 | verifyFormat("namespace some_namespace {\n" |
| 1766 | "class A {};\n" |
| 1767 | "void f() { f(); }\n" |
| 1768 | "}" , |
| 1769 | LLVMWithNoNamespaceFix); |
| 1770 | verifyFormat("/* something */ namespace some_namespace {\n" |
| 1771 | "class A {};\n" |
| 1772 | "void f() { f(); }\n" |
| 1773 | "}" , |
| 1774 | LLVMWithNoNamespaceFix); |
| 1775 | verifyFormat("namespace {\n" |
| 1776 | "class A {};\n" |
| 1777 | "void f() { f(); }\n" |
| 1778 | "}" , |
| 1779 | LLVMWithNoNamespaceFix); |
| 1780 | verifyFormat("/* something */ namespace {\n" |
| 1781 | "class A {};\n" |
| 1782 | "void f() { f(); }\n" |
| 1783 | "}" , |
| 1784 | LLVMWithNoNamespaceFix); |
| 1785 | verifyFormat("inline namespace X {\n" |
| 1786 | "class A {};\n" |
| 1787 | "void f() { f(); }\n" |
| 1788 | "}" , |
| 1789 | LLVMWithNoNamespaceFix); |
| 1790 | verifyFormat("/* something */ inline namespace X {\n" |
| 1791 | "class A {};\n" |
| 1792 | "void f() { f(); }\n" |
| 1793 | "}" , |
| 1794 | LLVMWithNoNamespaceFix); |
| 1795 | verifyFormat("export namespace X {\n" |
| 1796 | "class A {};\n" |
| 1797 | "void f() { f(); }\n" |
| 1798 | "}" , |
| 1799 | LLVMWithNoNamespaceFix); |
| 1800 | verifyFormat("using namespace some_namespace;\n" |
| 1801 | "class A {};\n" |
| 1802 | "void f() { f(); }" , |
| 1803 | LLVMWithNoNamespaceFix); |
| 1804 | |
| 1805 | // This code is more common than we thought; if we |
| 1806 | // layout this correctly the semicolon will go into |
| 1807 | // its own line, which is undesirable. |
| 1808 | verifyFormat("namespace {};" , |
| 1809 | LLVMWithNoNamespaceFix); |
| 1810 | verifyFormat("namespace {\n" |
| 1811 | "class A {};\n" |
| 1812 | "};" , |
| 1813 | LLVMWithNoNamespaceFix); |
| 1814 | |
| 1815 | verifyFormat("namespace {\n" |
| 1816 | "int SomeVariable = 0; // comment\n" |
| 1817 | "} // namespace" , |
| 1818 | LLVMWithNoNamespaceFix); |
| 1819 | EXPECT_EQ("#ifndef HEADER_GUARD\n" |
| 1820 | "#define HEADER_GUARD\n" |
| 1821 | "namespace my_namespace {\n" |
| 1822 | "int i;\n" |
| 1823 | "} // my_namespace\n" |
| 1824 | "#endif // HEADER_GUARD" , |
| 1825 | format("#ifndef HEADER_GUARD\n" |
| 1826 | " #define HEADER_GUARD\n" |
| 1827 | " namespace my_namespace {\n" |
| 1828 | "int i;\n" |
| 1829 | "} // my_namespace\n" |
| 1830 | "#endif // HEADER_GUARD" , |
| 1831 | LLVMWithNoNamespaceFix)); |
| 1832 | |
| 1833 | EXPECT_EQ("namespace A::B {\n" |
| 1834 | "class C {};\n" |
| 1835 | "}" , |
| 1836 | format("namespace A::B {\n" |
| 1837 | "class C {};\n" |
| 1838 | "}" , |
| 1839 | LLVMWithNoNamespaceFix)); |
| 1840 | |
| 1841 | FormatStyle Style = getLLVMStyle(); |
| 1842 | Style.NamespaceIndentation = FormatStyle::NI_All; |
| 1843 | EXPECT_EQ("namespace out {\n" |
| 1844 | " int i;\n" |
| 1845 | " namespace in {\n" |
| 1846 | " int i;\n" |
| 1847 | " } // namespace in\n" |
| 1848 | "} // namespace out" , |
| 1849 | format("namespace out {\n" |
| 1850 | "int i;\n" |
| 1851 | "namespace in {\n" |
| 1852 | "int i;\n" |
| 1853 | "} // namespace in\n" |
| 1854 | "} // namespace out" , |
| 1855 | Style)); |
| 1856 | |
| 1857 | Style.NamespaceIndentation = FormatStyle::NI_Inner; |
| 1858 | EXPECT_EQ("namespace out {\n" |
| 1859 | "int i;\n" |
| 1860 | "namespace in {\n" |
| 1861 | " int i;\n" |
| 1862 | "} // namespace in\n" |
| 1863 | "} // namespace out" , |
| 1864 | format("namespace out {\n" |
| 1865 | "int i;\n" |
| 1866 | "namespace in {\n" |
| 1867 | "int i;\n" |
| 1868 | "} // namespace in\n" |
| 1869 | "} // namespace out" , |
| 1870 | Style)); |
| 1871 | } |
| 1872 | |
| 1873 | TEST_F(FormatTest, NamespaceMacros) { |
| 1874 | FormatStyle Style = getLLVMStyle(); |
| 1875 | Style.NamespaceMacros.push_back("TESTSUITE" ); |
| 1876 | |
| 1877 | verifyFormat("TESTSUITE(A) {\n" |
| 1878 | "int foo();\n" |
| 1879 | "} // TESTSUITE(A)" , |
| 1880 | Style); |
| 1881 | |
| 1882 | verifyFormat("TESTSUITE(A, B) {\n" |
| 1883 | "int foo();\n" |
| 1884 | "} // TESTSUITE(A)" , |
| 1885 | Style); |
| 1886 | |
| 1887 | // Properly indent according to NamespaceIndentation style |
| 1888 | Style.NamespaceIndentation = FormatStyle::NI_All; |
| 1889 | verifyFormat("TESTSUITE(A) {\n" |
| 1890 | " int foo();\n" |
| 1891 | "} // TESTSUITE(A)" , |
| 1892 | Style); |
| 1893 | verifyFormat("TESTSUITE(A) {\n" |
| 1894 | " namespace B {\n" |
| 1895 | " int foo();\n" |
| 1896 | " } // namespace B\n" |
| 1897 | "} // TESTSUITE(A)" , |
| 1898 | Style); |
| 1899 | verifyFormat("namespace A {\n" |
| 1900 | " TESTSUITE(B) {\n" |
| 1901 | " int foo();\n" |
| 1902 | " } // TESTSUITE(B)\n" |
| 1903 | "} // namespace A" , |
| 1904 | Style); |
| 1905 | |
| 1906 | Style.NamespaceIndentation = FormatStyle::NI_Inner; |
| 1907 | verifyFormat("TESTSUITE(A) {\n" |
| 1908 | "TESTSUITE(B) {\n" |
| 1909 | " int foo();\n" |
| 1910 | "} // TESTSUITE(B)\n" |
| 1911 | "} // TESTSUITE(A)" , |
| 1912 | Style); |
| 1913 | verifyFormat("TESTSUITE(A) {\n" |
| 1914 | "namespace B {\n" |
| 1915 | " int foo();\n" |
| 1916 | "} // namespace B\n" |
| 1917 | "} // TESTSUITE(A)" , |
| 1918 | Style); |
| 1919 | verifyFormat("namespace A {\n" |
| 1920 | "TESTSUITE(B) {\n" |
| 1921 | " int foo();\n" |
| 1922 | "} // TESTSUITE(B)\n" |
| 1923 | "} // namespace A" , |
| 1924 | Style); |
| 1925 | |
| 1926 | // Properly merge namespace-macros blocks in CompactNamespaces mode |
| 1927 | Style.NamespaceIndentation = FormatStyle::NI_None; |
| 1928 | Style.CompactNamespaces = true; |
| 1929 | verifyFormat("TESTSUITE(A) { TESTSUITE(B) {\n" |
| 1930 | "}} // TESTSUITE(A::B)" , |
| 1931 | Style); |
| 1932 | |
| 1933 | EXPECT_EQ("TESTSUITE(out) { TESTSUITE(in) {\n" |
| 1934 | "}} // TESTSUITE(out::in)" , |
| 1935 | format("TESTSUITE(out) {\n" |
| 1936 | "TESTSUITE(in) {\n" |
| 1937 | "} // TESTSUITE(in)\n" |
| 1938 | "} // TESTSUITE(out)" , |
| 1939 | Style)); |
| 1940 | |
| 1941 | EXPECT_EQ("TESTSUITE(out) { TESTSUITE(in) {\n" |
| 1942 | "}} // TESTSUITE(out::in)" , |
| 1943 | format("TESTSUITE(out) {\n" |
| 1944 | "TESTSUITE(in) {\n" |
| 1945 | "} // TESTSUITE(in)\n" |
| 1946 | "} // TESTSUITE(out)" , |
| 1947 | Style)); |
| 1948 | |
| 1949 | // Do not merge different namespaces/macros |
| 1950 | EXPECT_EQ("namespace out {\n" |
| 1951 | "TESTSUITE(in) {\n" |
| 1952 | "} // TESTSUITE(in)\n" |
| 1953 | "} // namespace out" , |
| 1954 | format("namespace out {\n" |
| 1955 | "TESTSUITE(in) {\n" |
| 1956 | "} // TESTSUITE(in)\n" |
| 1957 | "} // namespace out" , |
| 1958 | Style)); |
| 1959 | EXPECT_EQ("TESTSUITE(out) {\n" |
| 1960 | "namespace in {\n" |
| 1961 | "} // namespace in\n" |
| 1962 | "} // TESTSUITE(out)" , |
| 1963 | format("TESTSUITE(out) {\n" |
| 1964 | "namespace in {\n" |
| 1965 | "} // namespace in\n" |
| 1966 | "} // TESTSUITE(out)" , |
| 1967 | Style)); |
| 1968 | Style.NamespaceMacros.push_back("FOOBAR" ); |
| 1969 | EXPECT_EQ("TESTSUITE(out) {\n" |
| 1970 | "FOOBAR(in) {\n" |
| 1971 | "} // FOOBAR(in)\n" |
| 1972 | "} // TESTSUITE(out)" , |
| 1973 | format("TESTSUITE(out) {\n" |
| 1974 | "FOOBAR(in) {\n" |
| 1975 | "} // FOOBAR(in)\n" |
| 1976 | "} // TESTSUITE(out)" , |
| 1977 | Style)); |
| 1978 | } |
| 1979 | |
| 1980 | TEST_F(FormatTest, FormatsCompactNamespaces) { |
| 1981 | FormatStyle Style = getLLVMStyle(); |
| 1982 | Style.CompactNamespaces = true; |
| 1983 | Style.NamespaceMacros.push_back("TESTSUITE" ); |
| 1984 | |
| 1985 | verifyFormat("namespace A { namespace B {\n" |
| 1986 | "}} // namespace A::B" , |
| 1987 | Style); |
| 1988 | |
| 1989 | EXPECT_EQ("namespace out { namespace in {\n" |
| 1990 | "}} // namespace out::in" , |
| 1991 | format("namespace out {\n" |
| 1992 | "namespace in {\n" |
| 1993 | "} // namespace in\n" |
| 1994 | "} // namespace out" , |
| 1995 | Style)); |
| 1996 | |
| 1997 | // Only namespaces which have both consecutive opening and end get compacted |
| 1998 | EXPECT_EQ("namespace out {\n" |
| 1999 | "namespace in1 {\n" |
| 2000 | "} // namespace in1\n" |
| 2001 | "namespace in2 {\n" |
| 2002 | "} // namespace in2\n" |
| 2003 | "} // namespace out" , |
| 2004 | format("namespace out {\n" |
| 2005 | "namespace in1 {\n" |
| 2006 | "} // namespace in1\n" |
| 2007 | "namespace in2 {\n" |
| 2008 | "} // namespace in2\n" |
| 2009 | "} // namespace out" , |
| 2010 | Style)); |
| 2011 | |
| 2012 | EXPECT_EQ("namespace out {\n" |
| 2013 | "int i;\n" |
| 2014 | "namespace in {\n" |
| 2015 | "int j;\n" |
| 2016 | "} // namespace in\n" |
| 2017 | "int k;\n" |
| 2018 | "} // namespace out" , |
| 2019 | format("namespace out { int i;\n" |
| 2020 | "namespace in { int j; } // namespace in\n" |
| 2021 | "int k; } // namespace out" , |
| 2022 | Style)); |
| 2023 | |
| 2024 | EXPECT_EQ("namespace A { namespace B { namespace C {\n" |
| 2025 | "}}} // namespace A::B::C\n" , |
| 2026 | format("namespace A { namespace B {\n" |
| 2027 | "namespace C {\n" |
| 2028 | "}} // namespace B::C\n" |
| 2029 | "} // namespace A\n" , |
| 2030 | Style)); |
| 2031 | |
| 2032 | Style.ColumnLimit = 40; |
| 2033 | EXPECT_EQ("namespace aaaaaaaaaa {\n" |
| 2034 | "namespace bbbbbbbbbb {\n" |
| 2035 | "}} // namespace aaaaaaaaaa::bbbbbbbbbb" , |
| 2036 | format("namespace aaaaaaaaaa {\n" |
| 2037 | "namespace bbbbbbbbbb {\n" |
| 2038 | "} // namespace bbbbbbbbbb\n" |
| 2039 | "} // namespace aaaaaaaaaa" , |
| 2040 | Style)); |
| 2041 | |
| 2042 | EXPECT_EQ("namespace aaaaaa { namespace bbbbbb {\n" |
| 2043 | "namespace cccccc {\n" |
| 2044 | "}}} // namespace aaaaaa::bbbbbb::cccccc" , |
| 2045 | format("namespace aaaaaa {\n" |
| 2046 | "namespace bbbbbb {\n" |
| 2047 | "namespace cccccc {\n" |
| 2048 | "} // namespace cccccc\n" |
| 2049 | "} // namespace bbbbbb\n" |
| 2050 | "} // namespace aaaaaa" , |
| 2051 | Style)); |
| 2052 | Style.ColumnLimit = 80; |
| 2053 | |
| 2054 | // Extra semicolon after 'inner' closing brace prevents merging |
| 2055 | EXPECT_EQ("namespace out { namespace in {\n" |
| 2056 | "}; } // namespace out::in" , |
| 2057 | format("namespace out {\n" |
| 2058 | "namespace in {\n" |
| 2059 | "}; // namespace in\n" |
| 2060 | "} // namespace out" , |
| 2061 | Style)); |
| 2062 | |
| 2063 | // Extra semicolon after 'outer' closing brace is conserved |
| 2064 | EXPECT_EQ("namespace out { namespace in {\n" |
| 2065 | "}}; // namespace out::in" , |
| 2066 | format("namespace out {\n" |
| 2067 | "namespace in {\n" |
| 2068 | "} // namespace in\n" |
| 2069 | "}; // namespace out" , |
| 2070 | Style)); |
| 2071 | |
| 2072 | Style.NamespaceIndentation = FormatStyle::NI_All; |
| 2073 | EXPECT_EQ("namespace out { namespace in {\n" |
| 2074 | " int i;\n" |
| 2075 | "}} // namespace out::in" , |
| 2076 | format("namespace out {\n" |
| 2077 | "namespace in {\n" |
| 2078 | "int i;\n" |
| 2079 | "} // namespace in\n" |
| 2080 | "} // namespace out" , |
| 2081 | Style)); |
| 2082 | EXPECT_EQ("namespace out { namespace mid {\n" |
| 2083 | " namespace in {\n" |
| 2084 | " int j;\n" |
| 2085 | " } // namespace in\n" |
| 2086 | " int k;\n" |
| 2087 | "}} // namespace out::mid" , |
| 2088 | format("namespace out { namespace mid {\n" |
| 2089 | "namespace in { int j; } // namespace in\n" |
| 2090 | "int k; }} // namespace out::mid" , |
| 2091 | Style)); |
| 2092 | |
| 2093 | Style.NamespaceIndentation = FormatStyle::NI_Inner; |
| 2094 | EXPECT_EQ("namespace out { namespace in {\n" |
| 2095 | " int i;\n" |
| 2096 | "}} // namespace out::in" , |
| 2097 | format("namespace out {\n" |
| 2098 | "namespace in {\n" |
| 2099 | "int i;\n" |
| 2100 | "} // namespace in\n" |
| 2101 | "} // namespace out" , |
| 2102 | Style)); |
| 2103 | EXPECT_EQ("namespace out { namespace mid { namespace in {\n" |
| 2104 | " int i;\n" |
| 2105 | "}}} // namespace out::mid::in" , |
| 2106 | format("namespace out {\n" |
| 2107 | "namespace mid {\n" |
| 2108 | "namespace in {\n" |
| 2109 | "int i;\n" |
| 2110 | "} // namespace in\n" |
| 2111 | "} // namespace mid\n" |
| 2112 | "} // namespace out" , |
| 2113 | Style)); |
| 2114 | } |
| 2115 | |
| 2116 | TEST_F(FormatTest, FormatsExternC) { |
| 2117 | verifyFormat("extern \"C\" {\nint a;" ); |
| 2118 | verifyFormat("extern \"C\" {}" ); |
| 2119 | verifyFormat("extern \"C\" {\n" |
| 2120 | "int foo();\n" |
| 2121 | "}" ); |
| 2122 | verifyFormat("extern \"C\" int foo() {}" ); |
| 2123 | verifyFormat("extern \"C\" int foo();" ); |
| 2124 | verifyFormat("extern \"C\" int foo() {\n" |
| 2125 | " int i = 42;\n" |
| 2126 | " return i;\n" |
| 2127 | "}" ); |
| 2128 | |
| 2129 | FormatStyle Style = getLLVMStyle(); |
| 2130 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 2131 | Style.BraceWrapping.AfterFunction = true; |
| 2132 | verifyFormat("extern \"C\" int foo() {}" , Style); |
| 2133 | verifyFormat("extern \"C\" int foo();" , Style); |
| 2134 | verifyFormat("extern \"C\" int foo()\n" |
| 2135 | "{\n" |
| 2136 | " int i = 42;\n" |
| 2137 | " return i;\n" |
| 2138 | "}" , |
| 2139 | Style); |
| 2140 | |
| 2141 | Style.BraceWrapping.AfterExternBlock = true; |
| 2142 | Style.BraceWrapping.SplitEmptyRecord = false; |
| 2143 | verifyFormat("extern \"C\"\n" |
| 2144 | "{}" , |
| 2145 | Style); |
| 2146 | verifyFormat("extern \"C\"\n" |
| 2147 | "{\n" |
| 2148 | " int foo();\n" |
| 2149 | "}" , |
| 2150 | Style); |
| 2151 | } |
| 2152 | |
| 2153 | TEST_F(FormatTest, FormatsInlineASM) { |
| 2154 | verifyFormat("asm(\"xyz\" : \"=a\"(a), \"=d\"(b) : \"a\"(data));" ); |
| 2155 | verifyFormat("asm(\"nop\" ::: \"memory\");" ); |
| 2156 | verifyFormat( |
| 2157 | "asm(\"movq\\t%%rbx, %%rsi\\n\\t\"\n" |
| 2158 | " \"cpuid\\n\\t\"\n" |
| 2159 | " \"xchgq\\t%%rbx, %%rsi\\n\\t\"\n" |
| 2160 | " : \"=a\"(*rEAX), \"=S\"(*rEBX), \"=c\"(*rECX), \"=d\"(*rEDX)\n" |
| 2161 | " : \"a\"(value));" ); |
| 2162 | EXPECT_EQ( |
| 2163 | "void NS_InvokeByIndex(void *that, unsigned int methodIndex) {\n" |
| 2164 | " __asm {\n" |
| 2165 | " mov edx,[that] // vtable in edx\n" |
| 2166 | " mov eax,methodIndex\n" |
| 2167 | " call [edx][eax*4] // stdcall\n" |
| 2168 | " }\n" |
| 2169 | "}" , |
| 2170 | format("void NS_InvokeByIndex(void *that, unsigned int methodIndex) {\n" |
| 2171 | " __asm {\n" |
| 2172 | " mov edx,[that] // vtable in edx\n" |
| 2173 | " mov eax,methodIndex\n" |
| 2174 | " call [edx][eax*4] // stdcall\n" |
| 2175 | " }\n" |
| 2176 | "}" )); |
| 2177 | EXPECT_EQ("_asm {\n" |
| 2178 | " xor eax, eax;\n" |
| 2179 | " cpuid;\n" |
| 2180 | "}" , |
| 2181 | format("_asm {\n" |
| 2182 | " xor eax, eax;\n" |
| 2183 | " cpuid;\n" |
| 2184 | "}" )); |
| 2185 | verifyFormat("void function() {\n" |
| 2186 | " // comment\n" |
| 2187 | " asm(\"\");\n" |
| 2188 | "}" ); |
| 2189 | EXPECT_EQ("__asm {\n" |
| 2190 | "}\n" |
| 2191 | "int i;" , |
| 2192 | format("__asm {\n" |
| 2193 | "}\n" |
| 2194 | "int i;" )); |
| 2195 | } |
| 2196 | |
| 2197 | TEST_F(FormatTest, FormatTryCatch) { |
| 2198 | verifyFormat("try {\n" |
| 2199 | " throw a * b;\n" |
| 2200 | "} catch (int a) {\n" |
| 2201 | " // Do nothing.\n" |
| 2202 | "} catch (...) {\n" |
| 2203 | " exit(42);\n" |
| 2204 | "}" ); |
| 2205 | |
| 2206 | // Function-level try statements. |
| 2207 | verifyFormat("int f() try { return 4; } catch (...) {\n" |
| 2208 | " return 5;\n" |
| 2209 | "}" ); |
| 2210 | verifyFormat("class A {\n" |
| 2211 | " int a;\n" |
| 2212 | " A() try : a(0) {\n" |
| 2213 | " } catch (...) {\n" |
| 2214 | " throw;\n" |
| 2215 | " }\n" |
| 2216 | "};\n" ); |
| 2217 | |
| 2218 | // Incomplete try-catch blocks. |
| 2219 | verifyIncompleteFormat("try {} catch (" ); |
| 2220 | } |
| 2221 | |
| 2222 | TEST_F(FormatTest, FormatSEHTryCatch) { |
| 2223 | verifyFormat("__try {\n" |
| 2224 | " int a = b * c;\n" |
| 2225 | "} __except (EXCEPTION_EXECUTE_HANDLER) {\n" |
| 2226 | " // Do nothing.\n" |
| 2227 | "}" ); |
| 2228 | |
| 2229 | verifyFormat("__try {\n" |
| 2230 | " int a = b * c;\n" |
| 2231 | "} __finally {\n" |
| 2232 | " // Do nothing.\n" |
| 2233 | "}" ); |
| 2234 | |
| 2235 | verifyFormat("DEBUG({\n" |
| 2236 | " __try {\n" |
| 2237 | " } __finally {\n" |
| 2238 | " }\n" |
| 2239 | "});\n" ); |
| 2240 | } |
| 2241 | |
| 2242 | TEST_F(FormatTest, IncompleteTryCatchBlocks) { |
| 2243 | verifyFormat("try {\n" |
| 2244 | " f();\n" |
| 2245 | "} catch {\n" |
| 2246 | " g();\n" |
| 2247 | "}" ); |
| 2248 | verifyFormat("try {\n" |
| 2249 | " f();\n" |
| 2250 | "} catch (A a) MACRO(x) {\n" |
| 2251 | " g();\n" |
| 2252 | "} catch (B b) MACRO(x) {\n" |
| 2253 | " g();\n" |
| 2254 | "}" ); |
| 2255 | } |
| 2256 | |
| 2257 | TEST_F(FormatTest, FormatTryCatchBraceStyles) { |
| 2258 | FormatStyle Style = getLLVMStyle(); |
| 2259 | for (auto BraceStyle : {FormatStyle::BS_Attach, FormatStyle::BS_Mozilla, |
| 2260 | FormatStyle::BS_WebKit}) { |
| 2261 | Style.BreakBeforeBraces = BraceStyle; |
| 2262 | verifyFormat("try {\n" |
| 2263 | " // something\n" |
| 2264 | "} catch (...) {\n" |
| 2265 | " // something\n" |
| 2266 | "}" , |
| 2267 | Style); |
| 2268 | } |
| 2269 | Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup; |
| 2270 | verifyFormat("try {\n" |
| 2271 | " // something\n" |
| 2272 | "}\n" |
| 2273 | "catch (...) {\n" |
| 2274 | " // something\n" |
| 2275 | "}" , |
| 2276 | Style); |
| 2277 | verifyFormat("__try {\n" |
| 2278 | " // something\n" |
| 2279 | "}\n" |
| 2280 | "__finally {\n" |
| 2281 | " // something\n" |
| 2282 | "}" , |
| 2283 | Style); |
| 2284 | verifyFormat("@try {\n" |
| 2285 | " // something\n" |
| 2286 | "}\n" |
| 2287 | "@finally {\n" |
| 2288 | " // something\n" |
| 2289 | "}" , |
| 2290 | Style); |
| 2291 | Style.BreakBeforeBraces = FormatStyle::BS_Allman; |
| 2292 | verifyFormat("try\n" |
| 2293 | "{\n" |
| 2294 | " // something\n" |
| 2295 | "}\n" |
| 2296 | "catch (...)\n" |
| 2297 | "{\n" |
| 2298 | " // something\n" |
| 2299 | "}" , |
| 2300 | Style); |
| 2301 | Style.BreakBeforeBraces = FormatStyle::BS_GNU; |
| 2302 | verifyFormat("try\n" |
| 2303 | " {\n" |
| 2304 | " // something\n" |
| 2305 | " }\n" |
| 2306 | "catch (...)\n" |
| 2307 | " {\n" |
| 2308 | " // something\n" |
| 2309 | " }" , |
| 2310 | Style); |
| 2311 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 2312 | Style.BraceWrapping.BeforeCatch = true; |
| 2313 | verifyFormat("try {\n" |
| 2314 | " // something\n" |
| 2315 | "}\n" |
| 2316 | "catch (...) {\n" |
| 2317 | " // something\n" |
| 2318 | "}" , |
| 2319 | Style); |
| 2320 | } |
| 2321 | |
| 2322 | TEST_F(FormatTest, StaticInitializers) { |
| 2323 | verifyFormat("static SomeClass SC = {1, 'a'};" ); |
| 2324 | |
| 2325 | verifyFormat("static SomeClass WithALoooooooooooooooooooongName = {\n" |
| 2326 | " 100000000, " |
| 2327 | "\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"};" ); |
| 2328 | |
| 2329 | // Here, everything other than the "}" would fit on a line. |
| 2330 | verifyFormat("static int LooooooooooooooooooooooooongVariable[1] = {\n" |
| 2331 | " 10000000000000000000000000};" ); |
| 2332 | EXPECT_EQ("S s = {a,\n" |
| 2333 | "\n" |
| 2334 | " b};" , |
| 2335 | format("S s = {\n" |
| 2336 | " a,\n" |
| 2337 | "\n" |
| 2338 | " b\n" |
| 2339 | "};" )); |
| 2340 | |
| 2341 | // FIXME: This would fit into the column limit if we'd fit "{ {" on the first |
| 2342 | // line. However, the formatting looks a bit off and this probably doesn't |
| 2343 | // happen often in practice. |
| 2344 | verifyFormat("static int Variable[1] = {\n" |
| 2345 | " {1000000000000000000000000000000000000}};" , |
| 2346 | getLLVMStyleWithColumns(40)); |
| 2347 | } |
| 2348 | |
| 2349 | TEST_F(FormatTest, DesignatedInitializers) { |
| 2350 | verifyFormat("const struct A a = {.a = 1, .b = 2};" ); |
| 2351 | verifyFormat("const struct A a = {.aaaaaaaaaa = 1,\n" |
| 2352 | " .bbbbbbbbbb = 2,\n" |
| 2353 | " .cccccccccc = 3,\n" |
| 2354 | " .dddddddddd = 4,\n" |
| 2355 | " .eeeeeeeeee = 5};" ); |
| 2356 | verifyFormat("const struct Aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaa = {\n" |
| 2357 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaa = 1,\n" |
| 2358 | " .bbbbbbbbbbbbbbbbbbbbbbbbbbb = 2,\n" |
| 2359 | " .ccccccccccccccccccccccccccc = 3,\n" |
| 2360 | " .ddddddddddddddddddddddddddd = 4,\n" |
| 2361 | " .eeeeeeeeeeeeeeeeeeeeeeeeeee = 5};" ); |
| 2362 | |
| 2363 | verifyGoogleFormat("const struct A a = {.a = 1, .b = 2};" ); |
| 2364 | |
| 2365 | verifyFormat("const struct A a = {[0] = 1, [1] = 2};" ); |
| 2366 | verifyFormat("const struct A a = {[1] = aaaaaaaaaa,\n" |
| 2367 | " [2] = bbbbbbbbbb,\n" |
| 2368 | " [3] = cccccccccc,\n" |
| 2369 | " [4] = dddddddddd,\n" |
| 2370 | " [5] = eeeeeeeeee};" ); |
| 2371 | verifyFormat("const struct Aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaa = {\n" |
| 2372 | " [1] = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 2373 | " [2] = bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,\n" |
| 2374 | " [3] = cccccccccccccccccccccccccccccccccccccc,\n" |
| 2375 | " [4] = dddddddddddddddddddddddddddddddddddddd,\n" |
| 2376 | " [5] = eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee};" ); |
| 2377 | } |
| 2378 | |
| 2379 | TEST_F(FormatTest, NestedStaticInitializers) { |
| 2380 | verifyFormat("static A x = {{{}}};\n" ); |
| 2381 | verifyFormat("static A x = {{{init1, init2, init3, init4},\n" |
| 2382 | " {init1, init2, init3, init4}}};" , |
| 2383 | getLLVMStyleWithColumns(50)); |
| 2384 | |
| 2385 | verifyFormat("somes Status::global_reps[3] = {\n" |
| 2386 | " {kGlobalRef, OK_CODE, NULL, NULL, NULL},\n" |
| 2387 | " {kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL},\n" |
| 2388 | " {kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL}};" , |
| 2389 | getLLVMStyleWithColumns(60)); |
| 2390 | verifyGoogleFormat("SomeType Status::global_reps[3] = {\n" |
| 2391 | " {kGlobalRef, OK_CODE, NULL, NULL, NULL},\n" |
| 2392 | " {kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL},\n" |
| 2393 | " {kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL}};" ); |
| 2394 | verifyFormat("CGRect cg_rect = {{rect.fLeft, rect.fTop},\n" |
| 2395 | " {rect.fRight - rect.fLeft, rect.fBottom - " |
| 2396 | "rect.fTop}};" ); |
| 2397 | |
| 2398 | verifyFormat( |
| 2399 | "SomeArrayOfSomeType a = {\n" |
| 2400 | " {{1, 2, 3},\n" |
| 2401 | " {1, 2, 3},\n" |
| 2402 | " {111111111111111111111111111111, 222222222222222222222222222222,\n" |
| 2403 | " 333333333333333333333333333333},\n" |
| 2404 | " {1, 2, 3},\n" |
| 2405 | " {1, 2, 3}}};" ); |
| 2406 | verifyFormat( |
| 2407 | "SomeArrayOfSomeType a = {\n" |
| 2408 | " {{1, 2, 3}},\n" |
| 2409 | " {{1, 2, 3}},\n" |
| 2410 | " {{111111111111111111111111111111, 222222222222222222222222222222,\n" |
| 2411 | " 333333333333333333333333333333}},\n" |
| 2412 | " {{1, 2, 3}},\n" |
| 2413 | " {{1, 2, 3}}};" ); |
| 2414 | |
| 2415 | verifyFormat("struct {\n" |
| 2416 | " unsigned bit;\n" |
| 2417 | " const char *const name;\n" |
| 2418 | "} kBitsToOs[] = {{kOsMac, \"Mac\"},\n" |
| 2419 | " {kOsWin, \"Windows\"},\n" |
| 2420 | " {kOsLinux, \"Linux\"},\n" |
| 2421 | " {kOsCrOS, \"Chrome OS\"}};" ); |
| 2422 | verifyFormat("struct {\n" |
| 2423 | " unsigned bit;\n" |
| 2424 | " const char *const name;\n" |
| 2425 | "} kBitsToOs[] = {\n" |
| 2426 | " {kOsMac, \"Mac\"},\n" |
| 2427 | " {kOsWin, \"Windows\"},\n" |
| 2428 | " {kOsLinux, \"Linux\"},\n" |
| 2429 | " {kOsCrOS, \"Chrome OS\"},\n" |
| 2430 | "};" ); |
| 2431 | } |
| 2432 | |
| 2433 | TEST_F(FormatTest, FormatsSmallMacroDefinitionsInSingleLine) { |
| 2434 | verifyFormat("#define ALooooooooooooooooooooooooooooooooooooooongMacro(" |
| 2435 | " \\\n" |
| 2436 | " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)" ); |
| 2437 | } |
| 2438 | |
| 2439 | TEST_F(FormatTest, DoesNotBreakPureVirtualFunctionDefinition) { |
| 2440 | verifyFormat("virtual void write(ELFWriter *writerrr,\n" |
| 2441 | " OwningPtr<FileOutputBuffer> &buffer) = 0;" ); |
| 2442 | |
| 2443 | // Do break defaulted and deleted functions. |
| 2444 | verifyFormat("virtual void ~Deeeeeeeestructor() =\n" |
| 2445 | " default;" , |
| 2446 | getLLVMStyleWithColumns(40)); |
| 2447 | verifyFormat("virtual void ~Deeeeeeeestructor() =\n" |
| 2448 | " delete;" , |
| 2449 | getLLVMStyleWithColumns(40)); |
| 2450 | } |
| 2451 | |
| 2452 | TEST_F(FormatTest, BreaksStringLiteralsOnlyInDefine) { |
| 2453 | verifyFormat("# 1111 \"/aaaaaaaaa/aaaaaaaaaaaaaaaaaaa/aaaaaaaa.cpp\" 2 3" , |
| 2454 | getLLVMStyleWithColumns(40)); |
| 2455 | verifyFormat("#line 11111 \"/aaaaaaaaa/aaaaaaaaaaaaaaaaaaa/aaaaaaaa.cpp\"" , |
| 2456 | getLLVMStyleWithColumns(40)); |
| 2457 | EXPECT_EQ("#define Q \\\n" |
| 2458 | " \"/aaaaaaaaa/aaaaaaaaaaaaaaaaaaa/\" \\\n" |
| 2459 | " \"aaaaaaaa.cpp\"" , |
| 2460 | format("#define Q \"/aaaaaaaaa/aaaaaaaaaaaaaaaaaaa/aaaaaaaa.cpp\"" , |
| 2461 | getLLVMStyleWithColumns(40))); |
| 2462 | } |
| 2463 | |
| 2464 | TEST_F(FormatTest, UnderstandsLinePPDirective) { |
| 2465 | EXPECT_EQ("# 123 \"A string literal\"" , |
| 2466 | format(" # 123 \"A string literal\"" )); |
| 2467 | } |
| 2468 | |
| 2469 | TEST_F(FormatTest, LayoutUnknownPPDirective) { |
| 2470 | EXPECT_EQ("#;" , format("#;" )); |
| 2471 | verifyFormat("#\n;\n;\n;" ); |
| 2472 | } |
| 2473 | |
| 2474 | TEST_F(FormatTest, UnescapedEndOfLineEndsPPDirective) { |
| 2475 | EXPECT_EQ("#line 42 \"test\"\n" , |
| 2476 | format("# \\\n line \\\n 42 \\\n \"test\"\n" )); |
| 2477 | EXPECT_EQ("#define A B\n" , format("# \\\n define \\\n A \\\n B\n" , |
| 2478 | getLLVMStyleWithColumns(12))); |
| 2479 | } |
| 2480 | |
| 2481 | TEST_F(FormatTest, EndOfFileEndsPPDirective) { |
| 2482 | EXPECT_EQ("#line 42 \"test\"" , |
| 2483 | format("# \\\n line \\\n 42 \\\n \"test\"" )); |
| 2484 | EXPECT_EQ("#define A B" , format("# \\\n define \\\n A \\\n B" )); |
| 2485 | } |
| 2486 | |
| 2487 | TEST_F(FormatTest, DoesntRemoveUnknownTokens) { |
| 2488 | verifyFormat("#define A \\x20" ); |
| 2489 | verifyFormat("#define A \\ x20" ); |
| 2490 | EXPECT_EQ("#define A \\ x20" , format("#define A \\ x20" )); |
| 2491 | verifyFormat("#define A ''" ); |
| 2492 | verifyFormat("#define A ''qqq" ); |
| 2493 | verifyFormat("#define A `qqq" ); |
| 2494 | verifyFormat("f(\"aaaa, bbbb, \"\\\"ccccc\\\"\");" ); |
| 2495 | EXPECT_EQ("const char *c = STRINGIFY(\n" |
| 2496 | "\\na : b);" , |
| 2497 | format("const char * c = STRINGIFY(\n" |
| 2498 | "\\na : b);" )); |
| 2499 | |
| 2500 | verifyFormat("a\r\\" ); |
| 2501 | verifyFormat("a\v\\" ); |
| 2502 | verifyFormat("a\f\\" ); |
| 2503 | } |
| 2504 | |
| 2505 | TEST_F(FormatTest, IndentsPPDirectiveInReducedSpace) { |
| 2506 | verifyFormat("#define A(BB)" , getLLVMStyleWithColumns(13)); |
| 2507 | verifyFormat("#define A( \\\n BB)" , getLLVMStyleWithColumns(12)); |
| 2508 | verifyFormat("#define A( \\\n A, B)" , getLLVMStyleWithColumns(12)); |
| 2509 | // FIXME: We never break before the macro name. |
| 2510 | verifyFormat("#define AA( \\\n B)" , getLLVMStyleWithColumns(12)); |
| 2511 | |
| 2512 | verifyFormat("#define A A\n#define A A" ); |
| 2513 | verifyFormat("#define A(X) A\n#define A A" ); |
| 2514 | |
| 2515 | verifyFormat("#define Something Other" , getLLVMStyleWithColumns(23)); |
| 2516 | verifyFormat("#define Something \\\n Other" , getLLVMStyleWithColumns(22)); |
| 2517 | } |
| 2518 | |
| 2519 | TEST_F(FormatTest, HandlePreprocessorDirectiveContext) { |
| 2520 | EXPECT_EQ("// somecomment\n" |
| 2521 | "#include \"a.h\"\n" |
| 2522 | "#define A( \\\n" |
| 2523 | " A, B)\n" |
| 2524 | "#include \"b.h\"\n" |
| 2525 | "// somecomment\n" , |
| 2526 | format(" // somecomment\n" |
| 2527 | " #include \"a.h\"\n" |
| 2528 | "#define A(A,\\\n" |
| 2529 | " B)\n" |
| 2530 | " #include \"b.h\"\n" |
| 2531 | " // somecomment\n" , |
| 2532 | getLLVMStyleWithColumns(13))); |
| 2533 | } |
| 2534 | |
| 2535 | TEST_F(FormatTest, LayoutSingleHash) { EXPECT_EQ("#\na;" , format("#\na;" )); } |
| 2536 | |
| 2537 | TEST_F(FormatTest, LayoutCodeInMacroDefinitions) { |
| 2538 | EXPECT_EQ("#define A \\\n" |
| 2539 | " c; \\\n" |
| 2540 | " e;\n" |
| 2541 | "f;" , |
| 2542 | format("#define A c; e;\n" |
| 2543 | "f;" , |
| 2544 | getLLVMStyleWithColumns(14))); |
| 2545 | } |
| 2546 | |
| 2547 | TEST_F(FormatTest, LayoutRemainingTokens) { EXPECT_EQ("{}" , format("{}" )); } |
| 2548 | |
| 2549 | TEST_F(FormatTest, MacroDefinitionInsideStatement) { |
| 2550 | EXPECT_EQ("int x,\n" |
| 2551 | "#define A\n" |
| 2552 | " y;" , |
| 2553 | format("int x,\n#define A\ny;" )); |
| 2554 | } |
| 2555 | |
| 2556 | TEST_F(FormatTest, HashInMacroDefinition) { |
| 2557 | EXPECT_EQ("#define A(c) L#c" , format("#define A(c) L#c" , getLLVMStyle())); |
| 2558 | verifyFormat("#define A \\\n b #c;" , getLLVMStyleWithColumns(11)); |
| 2559 | verifyFormat("#define A \\\n" |
| 2560 | " { \\\n" |
| 2561 | " f(#c); \\\n" |
| 2562 | " }" , |
| 2563 | getLLVMStyleWithColumns(11)); |
| 2564 | |
| 2565 | verifyFormat("#define A(X) \\\n" |
| 2566 | " void function##X()" , |
| 2567 | getLLVMStyleWithColumns(22)); |
| 2568 | |
| 2569 | verifyFormat("#define A(a, b, c) \\\n" |
| 2570 | " void a##b##c()" , |
| 2571 | getLLVMStyleWithColumns(22)); |
| 2572 | |
| 2573 | verifyFormat("#define A void # ## #" , getLLVMStyleWithColumns(22)); |
| 2574 | } |
| 2575 | |
| 2576 | TEST_F(FormatTest, RespectWhitespaceInMacroDefinitions) { |
| 2577 | EXPECT_EQ("#define A (x)" , format("#define A (x)" )); |
| 2578 | EXPECT_EQ("#define A(x)" , format("#define A(x)" )); |
| 2579 | |
| 2580 | FormatStyle Style = getLLVMStyle(); |
| 2581 | Style.SpaceBeforeParens = FormatStyle::SBPO_Never; |
| 2582 | verifyFormat("#define true ((foo)1)" , Style); |
| 2583 | Style.SpaceBeforeParens = FormatStyle::SBPO_Always; |
| 2584 | verifyFormat("#define false((foo)0)" , Style); |
| 2585 | } |
| 2586 | |
| 2587 | TEST_F(FormatTest, EmptyLinesInMacroDefinitions) { |
| 2588 | EXPECT_EQ("#define A b;" , format("#define A \\\n" |
| 2589 | " \\\n" |
| 2590 | " b;" , |
| 2591 | getLLVMStyleWithColumns(25))); |
| 2592 | EXPECT_EQ("#define A \\\n" |
| 2593 | " \\\n" |
| 2594 | " a; \\\n" |
| 2595 | " b;" , |
| 2596 | format("#define A \\\n" |
| 2597 | " \\\n" |
| 2598 | " a; \\\n" |
| 2599 | " b;" , |
| 2600 | getLLVMStyleWithColumns(11))); |
| 2601 | EXPECT_EQ("#define A \\\n" |
| 2602 | " a; \\\n" |
| 2603 | " \\\n" |
| 2604 | " b;" , |
| 2605 | format("#define A \\\n" |
| 2606 | " a; \\\n" |
| 2607 | " \\\n" |
| 2608 | " b;" , |
| 2609 | getLLVMStyleWithColumns(11))); |
| 2610 | } |
| 2611 | |
| 2612 | TEST_F(FormatTest, MacroDefinitionsWithIncompleteCode) { |
| 2613 | verifyIncompleteFormat("#define A :" ); |
| 2614 | verifyFormat("#define SOMECASES \\\n" |
| 2615 | " case 1: \\\n" |
| 2616 | " case 2\n" , |
| 2617 | getLLVMStyleWithColumns(20)); |
| 2618 | verifyFormat("#define MACRO(a) \\\n" |
| 2619 | " if (a) \\\n" |
| 2620 | " f(); \\\n" |
| 2621 | " else \\\n" |
| 2622 | " g()" , |
| 2623 | getLLVMStyleWithColumns(18)); |
| 2624 | verifyFormat("#define A template <typename T>" ); |
| 2625 | verifyIncompleteFormat("#define STR(x) #x\n" |
| 2626 | "f(STR(this_is_a_string_literal{));" ); |
| 2627 | verifyFormat("#pragma omp threadprivate( \\\n" |
| 2628 | " y)), // expected-warning" , |
| 2629 | getLLVMStyleWithColumns(28)); |
| 2630 | verifyFormat("#d, = };" ); |
| 2631 | verifyFormat("#if \"a" ); |
| 2632 | verifyIncompleteFormat("({\n" |
| 2633 | "#define b \\\n" |
| 2634 | " } \\\n" |
| 2635 | " a\n" |
| 2636 | "a" , |
| 2637 | getLLVMStyleWithColumns(15)); |
| 2638 | verifyFormat("#define A \\\n" |
| 2639 | " { \\\n" |
| 2640 | " {\n" |
| 2641 | "#define B \\\n" |
| 2642 | " } \\\n" |
| 2643 | " }" , |
| 2644 | getLLVMStyleWithColumns(15)); |
| 2645 | verifyNoCrash("#if a\na(\n#else\n#endif\n{a" ); |
| 2646 | verifyNoCrash("a={0,1\n#if a\n#else\n;\n#endif\n}" ); |
| 2647 | verifyNoCrash("#if a\na(\n#else\n#endif\n) a {a,b,c,d,f,g};" ); |
| 2648 | verifyNoCrash("#ifdef A\n a(\n #else\n #endif\n) = []() { \n)}" ); |
| 2649 | } |
| 2650 | |
| 2651 | TEST_F(FormatTest, MacrosWithoutTrailingSemicolon) { |
| 2652 | verifyFormat("SOME_TYPE_NAME abc;" ); // Gated on the newline. |
| 2653 | EXPECT_EQ("class A : public QObject {\n" |
| 2654 | " Q_OBJECT\n" |
| 2655 | "\n" |
| 2656 | " A() {}\n" |
| 2657 | "};" , |
| 2658 | format("class A : public QObject {\n" |
| 2659 | " Q_OBJECT\n" |
| 2660 | "\n" |
| 2661 | " A() {\n}\n" |
| 2662 | "} ;" )); |
| 2663 | EXPECT_EQ("MACRO\n" |
| 2664 | "/*static*/ int i;" , |
| 2665 | format("MACRO\n" |
| 2666 | " /*static*/ int i;" )); |
| 2667 | EXPECT_EQ("SOME_MACRO\n" |
| 2668 | "namespace {\n" |
| 2669 | "void f();\n" |
| 2670 | "} // namespace" , |
| 2671 | format("SOME_MACRO\n" |
| 2672 | " namespace {\n" |
| 2673 | "void f( );\n" |
| 2674 | "} // namespace" )); |
| 2675 | // Only if the identifier contains at least 5 characters. |
| 2676 | EXPECT_EQ("HTTP f();" , format("HTTP\nf();" )); |
| 2677 | EXPECT_EQ("MACRO\nf();" , format("MACRO\nf();" )); |
| 2678 | // Only if everything is upper case. |
| 2679 | EXPECT_EQ("class A : public QObject {\n" |
| 2680 | " Q_Object A() {}\n" |
| 2681 | "};" , |
| 2682 | format("class A : public QObject {\n" |
| 2683 | " Q_Object\n" |
| 2684 | " A() {\n}\n" |
| 2685 | "} ;" )); |
| 2686 | |
| 2687 | // Only if the next line can actually start an unwrapped line. |
| 2688 | EXPECT_EQ("SOME_WEIRD_LOG_MACRO << SomeThing;" , |
| 2689 | format("SOME_WEIRD_LOG_MACRO\n" |
| 2690 | "<< SomeThing;" )); |
| 2691 | |
| 2692 | verifyFormat("VISIT_GL_CALL(GenBuffers, void, (GLsizei n, GLuint* buffers), " |
| 2693 | "(n, buffers))\n" , |
| 2694 | getChromiumStyle(FormatStyle::LK_Cpp)); |
| 2695 | |
| 2696 | // See PR41483 |
| 2697 | EXPECT_EQ("/**/ FOO(a)\n" |
| 2698 | "FOO(b)" , |
| 2699 | format("/**/ FOO(a)\n" |
| 2700 | "FOO(b)" )); |
| 2701 | } |
| 2702 | |
| 2703 | TEST_F(FormatTest, MacroCallsWithoutTrailingSemicolon) { |
| 2704 | EXPECT_EQ("INITIALIZE_PASS_BEGIN(ScopDetection, \"polly-detect\")\n" |
| 2705 | "INITIALIZE_AG_DEPENDENCY(AliasAnalysis)\n" |
| 2706 | "INITIALIZE_PASS_DEPENDENCY(DominatorTree)\n" |
| 2707 | "class X {};\n" |
| 2708 | "INITIALIZE_PASS_END(ScopDetection, \"polly-detect\")\n" |
| 2709 | "int *createScopDetectionPass() { return 0; }" , |
| 2710 | format(" INITIALIZE_PASS_BEGIN(ScopDetection, \"polly-detect\")\n" |
| 2711 | " INITIALIZE_AG_DEPENDENCY(AliasAnalysis)\n" |
| 2712 | " INITIALIZE_PASS_DEPENDENCY(DominatorTree)\n" |
| 2713 | " class X {};\n" |
| 2714 | " INITIALIZE_PASS_END(ScopDetection, \"polly-detect\")\n" |
| 2715 | " int *createScopDetectionPass() { return 0; }" )); |
| 2716 | // FIXME: We could probably treat IPC_BEGIN_MESSAGE_MAP/IPC_END_MESSAGE_MAP as |
| 2717 | // braces, so that inner block is indented one level more. |
| 2718 | EXPECT_EQ("int q() {\n" |
| 2719 | " IPC_BEGIN_MESSAGE_MAP(WebKitTestController, message)\n" |
| 2720 | " IPC_MESSAGE_HANDLER(xxx, qqq)\n" |
| 2721 | " IPC_END_MESSAGE_MAP()\n" |
| 2722 | "}" , |
| 2723 | format("int q() {\n" |
| 2724 | " IPC_BEGIN_MESSAGE_MAP(WebKitTestController, message)\n" |
| 2725 | " IPC_MESSAGE_HANDLER(xxx, qqq)\n" |
| 2726 | " IPC_END_MESSAGE_MAP()\n" |
| 2727 | "}" )); |
| 2728 | |
| 2729 | // Same inside macros. |
| 2730 | EXPECT_EQ("#define LIST(L) \\\n" |
| 2731 | " L(A) \\\n" |
| 2732 | " L(B) \\\n" |
| 2733 | " L(C)" , |
| 2734 | format("#define LIST(L) \\\n" |
| 2735 | " L(A) \\\n" |
| 2736 | " L(B) \\\n" |
| 2737 | " L(C)" , |
| 2738 | getGoogleStyle())); |
| 2739 | |
| 2740 | // These must not be recognized as macros. |
| 2741 | EXPECT_EQ("int q() {\n" |
| 2742 | " f(x);\n" |
| 2743 | " f(x) {}\n" |
| 2744 | " f(x)->g();\n" |
| 2745 | " f(x)->*g();\n" |
| 2746 | " f(x).g();\n" |
| 2747 | " f(x) = x;\n" |
| 2748 | " f(x) += x;\n" |
| 2749 | " f(x) -= x;\n" |
| 2750 | " f(x) *= x;\n" |
| 2751 | " f(x) /= x;\n" |
| 2752 | " f(x) %= x;\n" |
| 2753 | " f(x) &= x;\n" |
| 2754 | " f(x) |= x;\n" |
| 2755 | " f(x) ^= x;\n" |
| 2756 | " f(x) >>= x;\n" |
| 2757 | " f(x) <<= x;\n" |
| 2758 | " f(x)[y].z();\n" |
| 2759 | " LOG(INFO) << x;\n" |
| 2760 | " ifstream(x) >> x;\n" |
| 2761 | "}\n" , |
| 2762 | format("int q() {\n" |
| 2763 | " f(x)\n;\n" |
| 2764 | " f(x)\n {}\n" |
| 2765 | " f(x)\n->g();\n" |
| 2766 | " f(x)\n->*g();\n" |
| 2767 | " f(x)\n.g();\n" |
| 2768 | " f(x)\n = x;\n" |
| 2769 | " f(x)\n += x;\n" |
| 2770 | " f(x)\n -= x;\n" |
| 2771 | " f(x)\n *= x;\n" |
| 2772 | " f(x)\n /= x;\n" |
| 2773 | " f(x)\n %= x;\n" |
| 2774 | " f(x)\n &= x;\n" |
| 2775 | " f(x)\n |= x;\n" |
| 2776 | " f(x)\n ^= x;\n" |
| 2777 | " f(x)\n >>= x;\n" |
| 2778 | " f(x)\n <<= x;\n" |
| 2779 | " f(x)\n[y].z();\n" |
| 2780 | " LOG(INFO)\n << x;\n" |
| 2781 | " ifstream(x)\n >> x;\n" |
| 2782 | "}\n" )); |
| 2783 | EXPECT_EQ("int q() {\n" |
| 2784 | " F(x)\n" |
| 2785 | " if (1) {\n" |
| 2786 | " }\n" |
| 2787 | " F(x)\n" |
| 2788 | " while (1) {\n" |
| 2789 | " }\n" |
| 2790 | " F(x)\n" |
| 2791 | " G(x);\n" |
| 2792 | " F(x)\n" |
| 2793 | " try {\n" |
| 2794 | " Q();\n" |
| 2795 | " } catch (...) {\n" |
| 2796 | " }\n" |
| 2797 | "}\n" , |
| 2798 | format("int q() {\n" |
| 2799 | "F(x)\n" |
| 2800 | "if (1) {}\n" |
| 2801 | "F(x)\n" |
| 2802 | "while (1) {}\n" |
| 2803 | "F(x)\n" |
| 2804 | "G(x);\n" |
| 2805 | "F(x)\n" |
| 2806 | "try { Q(); } catch (...) {}\n" |
| 2807 | "}\n" )); |
| 2808 | EXPECT_EQ("class A {\n" |
| 2809 | " A() : t(0) {}\n" |
| 2810 | " A(int i) noexcept() : {}\n" |
| 2811 | " A(X x)\n" // FIXME: function-level try blocks are broken. |
| 2812 | " try : t(0) {\n" |
| 2813 | " } catch (...) {\n" |
| 2814 | " }\n" |
| 2815 | "};" , |
| 2816 | format("class A {\n" |
| 2817 | " A()\n : t(0) {}\n" |
| 2818 | " A(int i)\n noexcept() : {}\n" |
| 2819 | " A(X x)\n" |
| 2820 | " try : t(0) {} catch (...) {}\n" |
| 2821 | "};" )); |
| 2822 | FormatStyle Style = getLLVMStyle(); |
| 2823 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 2824 | Style.BraceWrapping.AfterControlStatement = true; |
| 2825 | Style.BraceWrapping.AfterFunction = true; |
| 2826 | EXPECT_EQ("void f()\n" |
| 2827 | "try\n" |
| 2828 | "{\n" |
| 2829 | "}" , |
| 2830 | format("void f() try {\n" |
| 2831 | "}" , Style)); |
| 2832 | EXPECT_EQ("class SomeClass {\n" |
| 2833 | "public:\n" |
| 2834 | " SomeClass() EXCLUSIVE_LOCK_FUNCTION(mu_);\n" |
| 2835 | "};" , |
| 2836 | format("class SomeClass {\n" |
| 2837 | "public:\n" |
| 2838 | " SomeClass()\n" |
| 2839 | " EXCLUSIVE_LOCK_FUNCTION(mu_);\n" |
| 2840 | "};" )); |
| 2841 | EXPECT_EQ("class SomeClass {\n" |
| 2842 | "public:\n" |
| 2843 | " SomeClass()\n" |
| 2844 | " EXCLUSIVE_LOCK_FUNCTION(mu_);\n" |
| 2845 | "};" , |
| 2846 | format("class SomeClass {\n" |
| 2847 | "public:\n" |
| 2848 | " SomeClass()\n" |
| 2849 | " EXCLUSIVE_LOCK_FUNCTION(mu_);\n" |
| 2850 | "};" , |
| 2851 | getLLVMStyleWithColumns(40))); |
| 2852 | |
| 2853 | verifyFormat("MACRO(>)" ); |
| 2854 | |
| 2855 | // Some macros contain an implicit semicolon. |
| 2856 | Style = getLLVMStyle(); |
| 2857 | Style.StatementMacros.push_back("FOO" ); |
| 2858 | verifyFormat("FOO(a) int b = 0;" ); |
| 2859 | verifyFormat("FOO(a)\n" |
| 2860 | "int b = 0;" , |
| 2861 | Style); |
| 2862 | verifyFormat("FOO(a);\n" |
| 2863 | "int b = 0;" , |
| 2864 | Style); |
| 2865 | verifyFormat("FOO(argc, argv, \"4.0.2\")\n" |
| 2866 | "int b = 0;" , |
| 2867 | Style); |
| 2868 | verifyFormat("FOO()\n" |
| 2869 | "int b = 0;" , |
| 2870 | Style); |
| 2871 | verifyFormat("FOO\n" |
| 2872 | "int b = 0;" , |
| 2873 | Style); |
| 2874 | verifyFormat("void f() {\n" |
| 2875 | " FOO(a)\n" |
| 2876 | " return a;\n" |
| 2877 | "}" , |
| 2878 | Style); |
| 2879 | verifyFormat("FOO(a)\n" |
| 2880 | "FOO(b)" , |
| 2881 | Style); |
| 2882 | verifyFormat("int a = 0;\n" |
| 2883 | "FOO(b)\n" |
| 2884 | "int c = 0;" , |
| 2885 | Style); |
| 2886 | verifyFormat("int a = 0;\n" |
| 2887 | "int x = FOO(a)\n" |
| 2888 | "int b = 0;" , |
| 2889 | Style); |
| 2890 | verifyFormat("void foo(int a) { FOO(a) }\n" |
| 2891 | "uint32_t bar() {}" , |
| 2892 | Style); |
| 2893 | } |
| 2894 | |
| 2895 | TEST_F(FormatTest, LayoutMacroDefinitionsStatementsSpanningBlocks) { |
| 2896 | verifyFormat("#define A \\\n" |
| 2897 | " f({ \\\n" |
| 2898 | " g(); \\\n" |
| 2899 | " });" , |
| 2900 | getLLVMStyleWithColumns(11)); |
| 2901 | } |
| 2902 | |
| 2903 | TEST_F(FormatTest, IndentPreprocessorDirectives) { |
| 2904 | FormatStyle Style = getLLVMStyle(); |
| 2905 | Style.IndentPPDirectives = FormatStyle::PPDIS_None; |
| 2906 | Style.ColumnLimit = 40; |
| 2907 | verifyFormat("#ifdef _WIN32\n" |
| 2908 | "#define A 0\n" |
| 2909 | "#ifdef VAR2\n" |
| 2910 | "#define B 1\n" |
| 2911 | "#include <someheader.h>\n" |
| 2912 | "#define MACRO \\\n" |
| 2913 | " some_very_long_func_aaaaaaaaaa();\n" |
| 2914 | "#endif\n" |
| 2915 | "#else\n" |
| 2916 | "#define A 1\n" |
| 2917 | "#endif" , |
| 2918 | Style); |
| 2919 | Style.IndentPPDirectives = FormatStyle::PPDIS_AfterHash; |
| 2920 | verifyFormat("#ifdef _WIN32\n" |
| 2921 | "# define A 0\n" |
| 2922 | "# ifdef VAR2\n" |
| 2923 | "# define B 1\n" |
| 2924 | "# include <someheader.h>\n" |
| 2925 | "# define MACRO \\\n" |
| 2926 | " some_very_long_func_aaaaaaaaaa();\n" |
| 2927 | "# endif\n" |
| 2928 | "#else\n" |
| 2929 | "# define A 1\n" |
| 2930 | "#endif" , |
| 2931 | Style); |
| 2932 | verifyFormat("#if A\n" |
| 2933 | "# define MACRO \\\n" |
| 2934 | " void a(int x) { \\\n" |
| 2935 | " b(); \\\n" |
| 2936 | " c(); \\\n" |
| 2937 | " d(); \\\n" |
| 2938 | " e(); \\\n" |
| 2939 | " f(); \\\n" |
| 2940 | " }\n" |
| 2941 | "#endif" , |
| 2942 | Style); |
| 2943 | // Comments before include guard. |
| 2944 | verifyFormat("// file comment\n" |
| 2945 | "// file comment\n" |
| 2946 | "#ifndef HEADER_H\n" |
| 2947 | "#define HEADER_H\n" |
| 2948 | "code();\n" |
| 2949 | "#endif" , |
| 2950 | Style); |
| 2951 | // Test with include guards. |
| 2952 | verifyFormat("#ifndef HEADER_H\n" |
| 2953 | "#define HEADER_H\n" |
| 2954 | "code();\n" |
| 2955 | "#endif" , |
| 2956 | Style); |
| 2957 | // Include guards must have a #define with the same variable immediately |
| 2958 | // after #ifndef. |
| 2959 | verifyFormat("#ifndef NOT_GUARD\n" |
| 2960 | "# define FOO\n" |
| 2961 | "code();\n" |
| 2962 | "#endif" , |
| 2963 | Style); |
| 2964 | |
| 2965 | // Include guards must cover the entire file. |
| 2966 | verifyFormat("code();\n" |
| 2967 | "code();\n" |
| 2968 | "#ifndef NOT_GUARD\n" |
| 2969 | "# define NOT_GUARD\n" |
| 2970 | "code();\n" |
| 2971 | "#endif" , |
| 2972 | Style); |
| 2973 | verifyFormat("#ifndef NOT_GUARD\n" |
| 2974 | "# define NOT_GUARD\n" |
| 2975 | "code();\n" |
| 2976 | "#endif\n" |
| 2977 | "code();" , |
| 2978 | Style); |
| 2979 | // Test with trailing blank lines. |
| 2980 | verifyFormat("#ifndef HEADER_H\n" |
| 2981 | "#define HEADER_H\n" |
| 2982 | "code();\n" |
| 2983 | "#endif\n" , |
| 2984 | Style); |
| 2985 | // Include guards don't have #else. |
| 2986 | verifyFormat("#ifndef NOT_GUARD\n" |
| 2987 | "# define NOT_GUARD\n" |
| 2988 | "code();\n" |
| 2989 | "#else\n" |
| 2990 | "#endif" , |
| 2991 | Style); |
| 2992 | verifyFormat("#ifndef NOT_GUARD\n" |
| 2993 | "# define NOT_GUARD\n" |
| 2994 | "code();\n" |
| 2995 | "#elif FOO\n" |
| 2996 | "#endif" , |
| 2997 | Style); |
| 2998 | // Non-identifier #define after potential include guard. |
| 2999 | verifyFormat("#ifndef FOO\n" |
| 3000 | "# define 1\n" |
| 3001 | "#endif\n" , |
| 3002 | Style); |
| 3003 | // #if closes past last non-preprocessor line. |
| 3004 | verifyFormat("#ifndef FOO\n" |
| 3005 | "#define FOO\n" |
| 3006 | "#if 1\n" |
| 3007 | "int i;\n" |
| 3008 | "# define A 0\n" |
| 3009 | "#endif\n" |
| 3010 | "#endif\n" , |
| 3011 | Style); |
| 3012 | // FIXME: This doesn't handle the case where there's code between the |
| 3013 | // #ifndef and #define but all other conditions hold. This is because when |
| 3014 | // the #define line is parsed, UnwrappedLineParser::Lines doesn't hold the |
| 3015 | // previous code line yet, so we can't detect it. |
| 3016 | EXPECT_EQ("#ifndef NOT_GUARD\n" |
| 3017 | "code();\n" |
| 3018 | "#define NOT_GUARD\n" |
| 3019 | "code();\n" |
| 3020 | "#endif" , |
| 3021 | format("#ifndef NOT_GUARD\n" |
| 3022 | "code();\n" |
| 3023 | "# define NOT_GUARD\n" |
| 3024 | "code();\n" |
| 3025 | "#endif" , |
| 3026 | Style)); |
| 3027 | // FIXME: This doesn't handle cases where legitimate preprocessor lines may |
| 3028 | // be outside an include guard. Examples are #pragma once and |
| 3029 | // #pragma GCC diagnostic, or anything else that does not change the meaning |
| 3030 | // of the file if it's included multiple times. |
| 3031 | EXPECT_EQ("#ifdef WIN32\n" |
| 3032 | "# pragma once\n" |
| 3033 | "#endif\n" |
| 3034 | "#ifndef HEADER_H\n" |
| 3035 | "# define HEADER_H\n" |
| 3036 | "code();\n" |
| 3037 | "#endif" , |
| 3038 | format("#ifdef WIN32\n" |
| 3039 | "# pragma once\n" |
| 3040 | "#endif\n" |
| 3041 | "#ifndef HEADER_H\n" |
| 3042 | "#define HEADER_H\n" |
| 3043 | "code();\n" |
| 3044 | "#endif" , |
| 3045 | Style)); |
| 3046 | // FIXME: This does not detect when there is a single non-preprocessor line |
| 3047 | // in front of an include-guard-like structure where other conditions hold |
| 3048 | // because ScopedLineState hides the line. |
| 3049 | EXPECT_EQ("code();\n" |
| 3050 | "#ifndef HEADER_H\n" |
| 3051 | "#define HEADER_H\n" |
| 3052 | "code();\n" |
| 3053 | "#endif" , |
| 3054 | format("code();\n" |
| 3055 | "#ifndef HEADER_H\n" |
| 3056 | "# define HEADER_H\n" |
| 3057 | "code();\n" |
| 3058 | "#endif" , |
| 3059 | Style)); |
| 3060 | // Keep comments aligned with #, otherwise indent comments normally. These |
| 3061 | // tests cannot use verifyFormat because messUp manipulates leading |
| 3062 | // whitespace. |
| 3063 | { |
| 3064 | const char *Expected = "" |
| 3065 | "void f() {\n" |
| 3066 | "#if 1\n" |
| 3067 | "// Preprocessor aligned.\n" |
| 3068 | "# define A 0\n" |
| 3069 | " // Code. Separated by blank line.\n" |
| 3070 | "\n" |
| 3071 | "# define B 0\n" |
| 3072 | " // Code. Not aligned with #\n" |
| 3073 | "# define C 0\n" |
| 3074 | "#endif" ; |
| 3075 | const char *ToFormat = "" |
| 3076 | "void f() {\n" |
| 3077 | "#if 1\n" |
| 3078 | "// Preprocessor aligned.\n" |
| 3079 | "# define A 0\n" |
| 3080 | "// Code. Separated by blank line.\n" |
| 3081 | "\n" |
| 3082 | "# define B 0\n" |
| 3083 | " // Code. Not aligned with #\n" |
| 3084 | "# define C 0\n" |
| 3085 | "#endif" ; |
| 3086 | EXPECT_EQ(Expected, format(ToFormat, Style)); |
| 3087 | EXPECT_EQ(Expected, format(Expected, Style)); |
| 3088 | } |
| 3089 | // Keep block quotes aligned. |
| 3090 | { |
| 3091 | const char *Expected = "" |
| 3092 | "void f() {\n" |
| 3093 | "#if 1\n" |
| 3094 | "/* Preprocessor aligned. */\n" |
| 3095 | "# define A 0\n" |
| 3096 | " /* Code. Separated by blank line. */\n" |
| 3097 | "\n" |
| 3098 | "# define B 0\n" |
| 3099 | " /* Code. Not aligned with # */\n" |
| 3100 | "# define C 0\n" |
| 3101 | "#endif" ; |
| 3102 | const char *ToFormat = "" |
| 3103 | "void f() {\n" |
| 3104 | "#if 1\n" |
| 3105 | "/* Preprocessor aligned. */\n" |
| 3106 | "# define A 0\n" |
| 3107 | "/* Code. Separated by blank line. */\n" |
| 3108 | "\n" |
| 3109 | "# define B 0\n" |
| 3110 | " /* Code. Not aligned with # */\n" |
| 3111 | "# define C 0\n" |
| 3112 | "#endif" ; |
| 3113 | EXPECT_EQ(Expected, format(ToFormat, Style)); |
| 3114 | EXPECT_EQ(Expected, format(Expected, Style)); |
| 3115 | } |
| 3116 | // Keep comments aligned with un-indented directives. |
| 3117 | { |
| 3118 | const char *Expected = "" |
| 3119 | "void f() {\n" |
| 3120 | "// Preprocessor aligned.\n" |
| 3121 | "#define A 0\n" |
| 3122 | " // Code. Separated by blank line.\n" |
| 3123 | "\n" |
| 3124 | "#define B 0\n" |
| 3125 | " // Code. Not aligned with #\n" |
| 3126 | "#define C 0\n" ; |
| 3127 | const char *ToFormat = "" |
| 3128 | "void f() {\n" |
| 3129 | "// Preprocessor aligned.\n" |
| 3130 | "#define A 0\n" |
| 3131 | "// Code. Separated by blank line.\n" |
| 3132 | "\n" |
| 3133 | "#define B 0\n" |
| 3134 | " // Code. Not aligned with #\n" |
| 3135 | "#define C 0\n" ; |
| 3136 | EXPECT_EQ(Expected, format(ToFormat, Style)); |
| 3137 | EXPECT_EQ(Expected, format(Expected, Style)); |
| 3138 | } |
| 3139 | // Test AfterHash with tabs. |
| 3140 | { |
| 3141 | FormatStyle Tabbed = Style; |
| 3142 | Tabbed.UseTab = FormatStyle::UT_Always; |
| 3143 | Tabbed.IndentWidth = 8; |
| 3144 | Tabbed.TabWidth = 8; |
| 3145 | verifyFormat("#ifdef _WIN32\n" |
| 3146 | "#\tdefine A 0\n" |
| 3147 | "#\tifdef VAR2\n" |
| 3148 | "#\t\tdefine B 1\n" |
| 3149 | "#\t\tinclude <someheader.h>\n" |
| 3150 | "#\t\tdefine MACRO \\\n" |
| 3151 | "\t\t\tsome_very_long_func_aaaaaaaaaa();\n" |
| 3152 | "#\tendif\n" |
| 3153 | "#else\n" |
| 3154 | "#\tdefine A 1\n" |
| 3155 | "#endif" , |
| 3156 | Tabbed); |
| 3157 | } |
| 3158 | |
| 3159 | // Regression test: Multiline-macro inside include guards. |
| 3160 | verifyFormat("#ifndef HEADER_H\n" |
| 3161 | "#define HEADER_H\n" |
| 3162 | "#define A() \\\n" |
| 3163 | " int i; \\\n" |
| 3164 | " int j;\n" |
| 3165 | "#endif // HEADER_H" , |
| 3166 | getLLVMStyleWithColumns(20)); |
| 3167 | |
| 3168 | Style.IndentPPDirectives = FormatStyle::PPDIS_BeforeHash; |
| 3169 | // Basic before hash indent tests |
| 3170 | verifyFormat("#ifdef _WIN32\n" |
| 3171 | " #define A 0\n" |
| 3172 | " #ifdef VAR2\n" |
| 3173 | " #define B 1\n" |
| 3174 | " #include <someheader.h>\n" |
| 3175 | " #define MACRO \\\n" |
| 3176 | " some_very_long_func_aaaaaaaaaa();\n" |
| 3177 | " #endif\n" |
| 3178 | "#else\n" |
| 3179 | " #define A 1\n" |
| 3180 | "#endif" , |
| 3181 | Style); |
| 3182 | verifyFormat("#if A\n" |
| 3183 | " #define MACRO \\\n" |
| 3184 | " void a(int x) { \\\n" |
| 3185 | " b(); \\\n" |
| 3186 | " c(); \\\n" |
| 3187 | " d(); \\\n" |
| 3188 | " e(); \\\n" |
| 3189 | " f(); \\\n" |
| 3190 | " }\n" |
| 3191 | "#endif" , |
| 3192 | Style); |
| 3193 | // Keep comments aligned with indented directives. These |
| 3194 | // tests cannot use verifyFormat because messUp manipulates leading |
| 3195 | // whitespace. |
| 3196 | { |
| 3197 | const char *Expected = "void f() {\n" |
| 3198 | "// Aligned to preprocessor.\n" |
| 3199 | "#if 1\n" |
| 3200 | " // Aligned to code.\n" |
| 3201 | " int a;\n" |
| 3202 | " #if 1\n" |
| 3203 | " // Aligned to preprocessor.\n" |
| 3204 | " #define A 0\n" |
| 3205 | " // Aligned to code.\n" |
| 3206 | " int b;\n" |
| 3207 | " #endif\n" |
| 3208 | "#endif\n" |
| 3209 | "}" ; |
| 3210 | const char *ToFormat = "void f() {\n" |
| 3211 | "// Aligned to preprocessor.\n" |
| 3212 | "#if 1\n" |
| 3213 | "// Aligned to code.\n" |
| 3214 | "int a;\n" |
| 3215 | "#if 1\n" |
| 3216 | "// Aligned to preprocessor.\n" |
| 3217 | "#define A 0\n" |
| 3218 | "// Aligned to code.\n" |
| 3219 | "int b;\n" |
| 3220 | "#endif\n" |
| 3221 | "#endif\n" |
| 3222 | "}" ; |
| 3223 | EXPECT_EQ(Expected, format(ToFormat, Style)); |
| 3224 | EXPECT_EQ(Expected, format(Expected, Style)); |
| 3225 | } |
| 3226 | { |
| 3227 | const char *Expected = "void f() {\n" |
| 3228 | "/* Aligned to preprocessor. */\n" |
| 3229 | "#if 1\n" |
| 3230 | " /* Aligned to code. */\n" |
| 3231 | " int a;\n" |
| 3232 | " #if 1\n" |
| 3233 | " /* Aligned to preprocessor. */\n" |
| 3234 | " #define A 0\n" |
| 3235 | " /* Aligned to code. */\n" |
| 3236 | " int b;\n" |
| 3237 | " #endif\n" |
| 3238 | "#endif\n" |
| 3239 | "}" ; |
| 3240 | const char *ToFormat = "void f() {\n" |
| 3241 | "/* Aligned to preprocessor. */\n" |
| 3242 | "#if 1\n" |
| 3243 | "/* Aligned to code. */\n" |
| 3244 | "int a;\n" |
| 3245 | "#if 1\n" |
| 3246 | "/* Aligned to preprocessor. */\n" |
| 3247 | "#define A 0\n" |
| 3248 | "/* Aligned to code. */\n" |
| 3249 | "int b;\n" |
| 3250 | "#endif\n" |
| 3251 | "#endif\n" |
| 3252 | "}" ; |
| 3253 | EXPECT_EQ(Expected, format(ToFormat, Style)); |
| 3254 | EXPECT_EQ(Expected, format(Expected, Style)); |
| 3255 | } |
| 3256 | |
| 3257 | // Test single comment before preprocessor |
| 3258 | verifyFormat("// Comment\n" |
| 3259 | "\n" |
| 3260 | "#if 1\n" |
| 3261 | "#endif" , |
| 3262 | Style); |
| 3263 | } |
| 3264 | |
| 3265 | TEST_F(FormatTest, FormatHashIfNotAtStartOfLine) { |
| 3266 | verifyFormat("{\n { a #c; }\n}" ); |
| 3267 | } |
| 3268 | |
| 3269 | TEST_F(FormatTest, FormatUnbalancedStructuralElements) { |
| 3270 | EXPECT_EQ("#define A \\\n { \\\n {\nint i;" , |
| 3271 | format("#define A { {\nint i;" , getLLVMStyleWithColumns(11))); |
| 3272 | EXPECT_EQ("#define A \\\n } \\\n }\nint i;" , |
| 3273 | format("#define A } }\nint i;" , getLLVMStyleWithColumns(11))); |
| 3274 | } |
| 3275 | |
| 3276 | TEST_F(FormatTest, EscapedNewlines) { |
| 3277 | FormatStyle Narrow = getLLVMStyleWithColumns(11); |
| 3278 | EXPECT_EQ("#define A \\\n int i; \\\n int j;" , |
| 3279 | format("#define A \\\nint i;\\\n int j;" , Narrow)); |
| 3280 | EXPECT_EQ("#define A\n\nint i;" , format("#define A \\\n\n int i;" )); |
| 3281 | EXPECT_EQ("template <class T> f();" , format("\\\ntemplate <class T> f();" )); |
| 3282 | EXPECT_EQ("/* \\ \\ \\\n */" , format("\\\n/* \\ \\ \\\n */" )); |
| 3283 | EXPECT_EQ("<a\n\\\\\n>" , format("<a\n\\\\\n>" )); |
| 3284 | |
| 3285 | FormatStyle AlignLeft = getLLVMStyle(); |
| 3286 | AlignLeft.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 3287 | EXPECT_EQ("#define MACRO(x) \\\n" |
| 3288 | "private: \\\n" |
| 3289 | " int x(int a);\n" , |
| 3290 | format("#define MACRO(x) \\\n" |
| 3291 | "private: \\\n" |
| 3292 | " int x(int a);\n" , |
| 3293 | AlignLeft)); |
| 3294 | |
| 3295 | // CRLF line endings |
| 3296 | EXPECT_EQ("#define A \\\r\n int i; \\\r\n int j;" , |
| 3297 | format("#define A \\\r\nint i;\\\r\n int j;" , Narrow)); |
| 3298 | EXPECT_EQ("#define A\r\n\r\nint i;" , format("#define A \\\r\n\r\n int i;" )); |
| 3299 | EXPECT_EQ("template <class T> f();" , format("\\\ntemplate <class T> f();" )); |
| 3300 | EXPECT_EQ("/* \\ \\ \\\r\n */" , format("\\\r\n/* \\ \\ \\\r\n */" )); |
| 3301 | EXPECT_EQ("<a\r\n\\\\\r\n>" , format("<a\r\n\\\\\r\n>" )); |
| 3302 | EXPECT_EQ("#define MACRO(x) \\\r\n" |
| 3303 | "private: \\\r\n" |
| 3304 | " int x(int a);\r\n" , |
| 3305 | format("#define MACRO(x) \\\r\n" |
| 3306 | "private: \\\r\n" |
| 3307 | " int x(int a);\r\n" , |
| 3308 | AlignLeft)); |
| 3309 | |
| 3310 | FormatStyle DontAlign = getLLVMStyle(); |
| 3311 | DontAlign.AlignEscapedNewlines = FormatStyle::ENAS_DontAlign; |
| 3312 | DontAlign.MaxEmptyLinesToKeep = 3; |
| 3313 | // FIXME: can't use verifyFormat here because the newline before |
| 3314 | // "public:" is not inserted the first time it's reformatted |
| 3315 | EXPECT_EQ("#define A \\\n" |
| 3316 | " class Foo { \\\n" |
| 3317 | " void bar(); \\\n" |
| 3318 | "\\\n" |
| 3319 | "\\\n" |
| 3320 | "\\\n" |
| 3321 | " public: \\\n" |
| 3322 | " void baz(); \\\n" |
| 3323 | " };" , |
| 3324 | format("#define A \\\n" |
| 3325 | " class Foo { \\\n" |
| 3326 | " void bar(); \\\n" |
| 3327 | "\\\n" |
| 3328 | "\\\n" |
| 3329 | "\\\n" |
| 3330 | " public: \\\n" |
| 3331 | " void baz(); \\\n" |
| 3332 | " };" , |
| 3333 | DontAlign)); |
| 3334 | } |
| 3335 | |
| 3336 | TEST_F(FormatTest, CalculateSpaceOnConsecutiveLinesInMacro) { |
| 3337 | verifyFormat("#define A \\\n" |
| 3338 | " int v( \\\n" |
| 3339 | " a); \\\n" |
| 3340 | " int i;" , |
| 3341 | getLLVMStyleWithColumns(11)); |
| 3342 | } |
| 3343 | |
| 3344 | TEST_F(FormatTest, MixingPreprocessorDirectivesAndNormalCode) { |
| 3345 | EXPECT_EQ( |
| 3346 | "#define ALooooooooooooooooooooooooooooooooooooooongMacro(" |
| 3347 | " \\\n" |
| 3348 | " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n" |
| 3349 | "\n" |
| 3350 | "AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n" |
| 3351 | " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n" , |
| 3352 | format(" #define ALooooooooooooooooooooooooooooooooooooooongMacro(" |
| 3353 | "\\\n" |
| 3354 | "aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n" |
| 3355 | " \n" |
| 3356 | " AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n" |
| 3357 | " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n" )); |
| 3358 | } |
| 3359 | |
| 3360 | TEST_F(FormatTest, LayoutStatementsAroundPreprocessorDirectives) { |
| 3361 | EXPECT_EQ("int\n" |
| 3362 | "#define A\n" |
| 3363 | " a;" , |
| 3364 | format("int\n#define A\na;" )); |
| 3365 | verifyFormat("functionCallTo(\n" |
| 3366 | " someOtherFunction(\n" |
| 3367 | " withSomeParameters, whichInSequence,\n" |
| 3368 | " areLongerThanALine(andAnotherCall,\n" |
| 3369 | "#define A B\n" |
| 3370 | " withMoreParamters,\n" |
| 3371 | " whichStronglyInfluenceTheLayout),\n" |
| 3372 | " andMoreParameters),\n" |
| 3373 | " trailing);" , |
| 3374 | getLLVMStyleWithColumns(69)); |
| 3375 | verifyFormat("Foo::Foo()\n" |
| 3376 | "#ifdef BAR\n" |
| 3377 | " : baz(0)\n" |
| 3378 | "#endif\n" |
| 3379 | "{\n" |
| 3380 | "}" ); |
| 3381 | verifyFormat("void f() {\n" |
| 3382 | " if (true)\n" |
| 3383 | "#ifdef A\n" |
| 3384 | " f(42);\n" |
| 3385 | " x();\n" |
| 3386 | "#else\n" |
| 3387 | " g();\n" |
| 3388 | " x();\n" |
| 3389 | "#endif\n" |
| 3390 | "}" ); |
| 3391 | verifyFormat("void f(param1, param2,\n" |
| 3392 | " param3,\n" |
| 3393 | "#ifdef A\n" |
| 3394 | " param4(param5,\n" |
| 3395 | "#ifdef A1\n" |
| 3396 | " param6,\n" |
| 3397 | "#ifdef A2\n" |
| 3398 | " param7),\n" |
| 3399 | "#else\n" |
| 3400 | " param8),\n" |
| 3401 | " param9,\n" |
| 3402 | "#endif\n" |
| 3403 | " param10,\n" |
| 3404 | "#endif\n" |
| 3405 | " param11)\n" |
| 3406 | "#else\n" |
| 3407 | " param12)\n" |
| 3408 | "#endif\n" |
| 3409 | "{\n" |
| 3410 | " x();\n" |
| 3411 | "}" , |
| 3412 | getLLVMStyleWithColumns(28)); |
| 3413 | verifyFormat("#if 1\n" |
| 3414 | "int i;" ); |
| 3415 | verifyFormat("#if 1\n" |
| 3416 | "#endif\n" |
| 3417 | "#if 1\n" |
| 3418 | "#else\n" |
| 3419 | "#endif\n" ); |
| 3420 | verifyFormat("DEBUG({\n" |
| 3421 | " return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3422 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n" |
| 3423 | "});\n" |
| 3424 | "#if a\n" |
| 3425 | "#else\n" |
| 3426 | "#endif" ); |
| 3427 | |
| 3428 | verifyIncompleteFormat("void f(\n" |
| 3429 | "#if A\n" |
| 3430 | ");\n" |
| 3431 | "#else\n" |
| 3432 | "#endif" ); |
| 3433 | } |
| 3434 | |
| 3435 | TEST_F(FormatTest, GraciouslyHandleIncorrectPreprocessorConditions) { |
| 3436 | verifyFormat("#endif\n" |
| 3437 | "#if B" ); |
| 3438 | } |
| 3439 | |
| 3440 | TEST_F(FormatTest, FormatsJoinedLinesOnSubsequentRuns) { |
| 3441 | FormatStyle SingleLine = getLLVMStyle(); |
| 3442 | SingleLine.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_WithoutElse; |
| 3443 | verifyFormat("#if 0\n" |
| 3444 | "#elif 1\n" |
| 3445 | "#endif\n" |
| 3446 | "void foo() {\n" |
| 3447 | " if (test) foo2();\n" |
| 3448 | "}" , |
| 3449 | SingleLine); |
| 3450 | } |
| 3451 | |
| 3452 | TEST_F(FormatTest, LayoutBlockInsideParens) { |
| 3453 | verifyFormat("functionCall({ int i; });" ); |
| 3454 | verifyFormat("functionCall({\n" |
| 3455 | " int i;\n" |
| 3456 | " int j;\n" |
| 3457 | "});" ); |
| 3458 | verifyFormat("functionCall(\n" |
| 3459 | " {\n" |
| 3460 | " int i;\n" |
| 3461 | " int j;\n" |
| 3462 | " },\n" |
| 3463 | " aaaa, bbbb, cccc);" ); |
| 3464 | verifyFormat("functionA(functionB({\n" |
| 3465 | " int i;\n" |
| 3466 | " int j;\n" |
| 3467 | " }),\n" |
| 3468 | " aaaa, bbbb, cccc);" ); |
| 3469 | verifyFormat("functionCall(\n" |
| 3470 | " {\n" |
| 3471 | " int i;\n" |
| 3472 | " int j;\n" |
| 3473 | " },\n" |
| 3474 | " aaaa, bbbb, // comment\n" |
| 3475 | " cccc);" ); |
| 3476 | verifyFormat("functionA(functionB({\n" |
| 3477 | " int i;\n" |
| 3478 | " int j;\n" |
| 3479 | " }),\n" |
| 3480 | " aaaa, bbbb, // comment\n" |
| 3481 | " cccc);" ); |
| 3482 | verifyFormat("functionCall(aaaa, bbbb, { int i; });" ); |
| 3483 | verifyFormat("functionCall(aaaa, bbbb, {\n" |
| 3484 | " int i;\n" |
| 3485 | " int j;\n" |
| 3486 | "});" ); |
| 3487 | verifyFormat( |
| 3488 | "Aaa(\n" // FIXME: There shouldn't be a linebreak here. |
| 3489 | " {\n" |
| 3490 | " int i; // break\n" |
| 3491 | " },\n" |
| 3492 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,\n" |
| 3493 | " ccccccccccccccccc));" ); |
| 3494 | verifyFormat("DEBUG({\n" |
| 3495 | " if (a)\n" |
| 3496 | " f();\n" |
| 3497 | "});" ); |
| 3498 | } |
| 3499 | |
| 3500 | TEST_F(FormatTest, LayoutBlockInsideStatement) { |
| 3501 | EXPECT_EQ("SOME_MACRO { int i; }\n" |
| 3502 | "int i;" , |
| 3503 | format(" SOME_MACRO {int i;} int i;" )); |
| 3504 | } |
| 3505 | |
| 3506 | TEST_F(FormatTest, LayoutNestedBlocks) { |
| 3507 | verifyFormat("void AddOsStrings(unsigned bitmask) {\n" |
| 3508 | " struct s {\n" |
| 3509 | " int i;\n" |
| 3510 | " };\n" |
| 3511 | " s kBitsToOs[] = {{10}};\n" |
| 3512 | " for (int i = 0; i < 10; ++i)\n" |
| 3513 | " return;\n" |
| 3514 | "}" ); |
| 3515 | verifyFormat("call(parameter, {\n" |
| 3516 | " something();\n" |
| 3517 | " // Comment using all columns.\n" |
| 3518 | " somethingelse();\n" |
| 3519 | "});" , |
| 3520 | getLLVMStyleWithColumns(40)); |
| 3521 | verifyFormat("DEBUG( //\n" |
| 3522 | " { f(); }, a);" ); |
| 3523 | verifyFormat("DEBUG( //\n" |
| 3524 | " {\n" |
| 3525 | " f(); //\n" |
| 3526 | " },\n" |
| 3527 | " a);" ); |
| 3528 | |
| 3529 | EXPECT_EQ("call(parameter, {\n" |
| 3530 | " something();\n" |
| 3531 | " // Comment too\n" |
| 3532 | " // looooooooooong.\n" |
| 3533 | " somethingElse();\n" |
| 3534 | "});" , |
| 3535 | format("call(parameter, {\n" |
| 3536 | " something();\n" |
| 3537 | " // Comment too looooooooooong.\n" |
| 3538 | " somethingElse();\n" |
| 3539 | "});" , |
| 3540 | getLLVMStyleWithColumns(29))); |
| 3541 | EXPECT_EQ("DEBUG({ int i; });" , format("DEBUG({ int i; });" )); |
| 3542 | EXPECT_EQ("DEBUG({ // comment\n" |
| 3543 | " int i;\n" |
| 3544 | "});" , |
| 3545 | format("DEBUG({ // comment\n" |
| 3546 | "int i;\n" |
| 3547 | "});" )); |
| 3548 | EXPECT_EQ("DEBUG({\n" |
| 3549 | " int i;\n" |
| 3550 | "\n" |
| 3551 | " // comment\n" |
| 3552 | " int j;\n" |
| 3553 | "});" , |
| 3554 | format("DEBUG({\n" |
| 3555 | " int i;\n" |
| 3556 | "\n" |
| 3557 | " // comment\n" |
| 3558 | " int j;\n" |
| 3559 | "});" )); |
| 3560 | |
| 3561 | verifyFormat("DEBUG({\n" |
| 3562 | " if (a)\n" |
| 3563 | " return;\n" |
| 3564 | "});" ); |
| 3565 | verifyGoogleFormat("DEBUG({\n" |
| 3566 | " if (a) return;\n" |
| 3567 | "});" ); |
| 3568 | FormatStyle Style = getGoogleStyle(); |
| 3569 | Style.ColumnLimit = 45; |
| 3570 | verifyFormat("Debug(\n" |
| 3571 | " aaaaa,\n" |
| 3572 | " {\n" |
| 3573 | " if (aaaaaaaaaaaaaaaaaaaaaaaa) return;\n" |
| 3574 | " },\n" |
| 3575 | " a);" , |
| 3576 | Style); |
| 3577 | |
| 3578 | verifyFormat("SomeFunction({MACRO({ return output; }), b});" ); |
| 3579 | |
| 3580 | verifyNoCrash("^{v^{a}}" ); |
| 3581 | } |
| 3582 | |
| 3583 | TEST_F(FormatTest, FormatNestedBlocksInMacros) { |
| 3584 | EXPECT_EQ("#define MACRO() \\\n" |
| 3585 | " Debug(aaa, /* force line break */ \\\n" |
| 3586 | " { \\\n" |
| 3587 | " int i; \\\n" |
| 3588 | " int j; \\\n" |
| 3589 | " })" , |
| 3590 | format("#define MACRO() Debug(aaa, /* force line break */ \\\n" |
| 3591 | " { int i; int j; })" , |
| 3592 | getGoogleStyle())); |
| 3593 | |
| 3594 | EXPECT_EQ("#define A \\\n" |
| 3595 | " [] { \\\n" |
| 3596 | " xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx( \\\n" |
| 3597 | " xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx); \\\n" |
| 3598 | " }" , |
| 3599 | format("#define A [] { xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx( \\\n" |
| 3600 | "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx); }" , |
| 3601 | getGoogleStyle())); |
| 3602 | } |
| 3603 | |
| 3604 | TEST_F(FormatTest, PutEmptyBlocksIntoOneLine) { |
| 3605 | EXPECT_EQ("{}" , format("{}" )); |
| 3606 | verifyFormat("enum E {};" ); |
| 3607 | verifyFormat("enum E {}" ); |
| 3608 | } |
| 3609 | |
| 3610 | TEST_F(FormatTest, FormatBeginBlockEndMacros) { |
| 3611 | FormatStyle Style = getLLVMStyle(); |
| 3612 | Style.MacroBlockBegin = "^[A-Z_]+_BEGIN$" ; |
| 3613 | Style.MacroBlockEnd = "^[A-Z_]+_END$" ; |
| 3614 | verifyFormat("FOO_BEGIN\n" |
| 3615 | " FOO_ENTRY\n" |
| 3616 | "FOO_END" , Style); |
| 3617 | verifyFormat("FOO_BEGIN\n" |
| 3618 | " NESTED_FOO_BEGIN\n" |
| 3619 | " NESTED_FOO_ENTRY\n" |
| 3620 | " NESTED_FOO_END\n" |
| 3621 | "FOO_END" , Style); |
| 3622 | verifyFormat("FOO_BEGIN(Foo, Bar)\n" |
| 3623 | " int x;\n" |
| 3624 | " x = 1;\n" |
| 3625 | "FOO_END(Baz)" , Style); |
| 3626 | } |
| 3627 | |
| 3628 | //===----------------------------------------------------------------------===// |
| 3629 | // Line break tests. |
| 3630 | //===----------------------------------------------------------------------===// |
| 3631 | |
| 3632 | TEST_F(FormatTest, PreventConfusingIndents) { |
| 3633 | verifyFormat( |
| 3634 | "void f() {\n" |
| 3635 | " SomeLongMethodName(SomeReallyLongMethod(CallOtherReallyLongMethod(\n" |
| 3636 | " parameter, parameter, parameter)),\n" |
| 3637 | " SecondLongCall(parameter));\n" |
| 3638 | "}" ); |
| 3639 | verifyFormat( |
| 3640 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 3641 | " aaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 3642 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 3643 | " aaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 3644 | verifyFormat( |
| 3645 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3646 | " [aaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3647 | " [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]\n" |
| 3648 | " [aaaaaaaaaaaaaaaaaaaaaaaa]];" ); |
| 3649 | verifyFormat( |
| 3650 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n" |
| 3651 | " aaaaaaaaaaaaaaaaaaaaaaaa<\n" |
| 3652 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>,\n" |
| 3653 | " aaaaaaaaaaaaaaaaaaaaaaaa>;" ); |
| 3654 | verifyFormat("int a = bbbb && ccc &&\n" |
| 3655 | " fffff(\n" |
| 3656 | "#define A Just forcing a new line\n" |
| 3657 | " ddd);" ); |
| 3658 | } |
| 3659 | |
| 3660 | TEST_F(FormatTest, LineBreakingInBinaryExpressions) { |
| 3661 | verifyFormat( |
| 3662 | "bool aaaaaaa =\n" |
| 3663 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaa).aaaaaaaaaaaaaaaaaaa() ||\n" |
| 3664 | " bbbbbbbb();" ); |
| 3665 | verifyFormat( |
| 3666 | "bool aaaaaaa =\n" |
| 3667 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaa).aaaaaaaaaaaaaaaaaaa() or\n" |
| 3668 | " bbbbbbbb();" ); |
| 3669 | |
| 3670 | verifyFormat("bool aaaaaaaaaaaaaaaaaaaaa =\n" |
| 3671 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa != bbbbbbbbbbbbbbbbbb &&\n" |
| 3672 | " ccccccccc == ddddddddddd;" ); |
| 3673 | verifyFormat("bool aaaaaaaaaaaaaaaaaaaaa =\n" |
| 3674 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa != bbbbbbbbbbbbbbbbbb and\n" |
| 3675 | " ccccccccc == ddddddddddd;" ); |
| 3676 | verifyFormat( |
| 3677 | "bool aaaaaaaaaaaaaaaaaaaaa =\n" |
| 3678 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa not_eq bbbbbbbbbbbbbbbbbb and\n" |
| 3679 | " ccccccccc == ddddddddddd;" ); |
| 3680 | |
| 3681 | verifyFormat("aaaaaa = aaaaaaa(aaaaaaa, // break\n" |
| 3682 | " aaaaaa) &&\n" |
| 3683 | " bbbbbb && cccccc;" ); |
| 3684 | verifyFormat("aaaaaa = aaaaaaa(aaaaaaa, // break\n" |
| 3685 | " aaaaaa) >>\n" |
| 3686 | " bbbbbb;" ); |
| 3687 | verifyFormat("aa = Whitespaces.addUntouchableComment(\n" |
| 3688 | " SourceMgr.getSpellingColumnNumber(\n" |
| 3689 | " TheLine.Last->FormatTok.Tok.getLocation()) -\n" |
| 3690 | " 1);" ); |
| 3691 | |
| 3692 | verifyFormat("if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 3693 | " bbbbbbbbbbbbbbbbbb) && // aaaaaaaaaaaaaaaa\n" |
| 3694 | " cccccc) {\n}" ); |
| 3695 | verifyFormat("if constexpr ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 3696 | " bbbbbbbbbbbbbbbbbb) && // aaaaaaaaaaa\n" |
| 3697 | " cccccc) {\n}" ); |
| 3698 | verifyFormat("b = a &&\n" |
| 3699 | " // Comment\n" |
| 3700 | " b.c && d;" ); |
| 3701 | |
| 3702 | // If the LHS of a comparison is not a binary expression itself, the |
| 3703 | // additional linebreak confuses many people. |
| 3704 | verifyFormat( |
| 3705 | "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 3706 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) > 5) {\n" |
| 3707 | "}" ); |
| 3708 | verifyFormat( |
| 3709 | "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 3710 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) == 5) {\n" |
| 3711 | "}" ); |
| 3712 | verifyFormat( |
| 3713 | "if (aaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaa(\n" |
| 3714 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) == 5) {\n" |
| 3715 | "}" ); |
| 3716 | verifyFormat( |
| 3717 | "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 3718 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) <=> 5) {\n" |
| 3719 | "}" ); |
| 3720 | // Even explicit parentheses stress the precedence enough to make the |
| 3721 | // additional break unnecessary. |
| 3722 | verifyFormat("if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3723 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) == 5) {\n" |
| 3724 | "}" ); |
| 3725 | // This cases is borderline, but with the indentation it is still readable. |
| 3726 | verifyFormat( |
| 3727 | "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 3728 | " aaaaaaaaaaaaaaa) > aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3729 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| 3730 | "}" , |
| 3731 | getLLVMStyleWithColumns(75)); |
| 3732 | |
| 3733 | // If the LHS is a binary expression, we should still use the additional break |
| 3734 | // as otherwise the formatting hides the operator precedence. |
| 3735 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3736 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n" |
| 3737 | " 5) {\n" |
| 3738 | "}" ); |
| 3739 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3740 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa <=>\n" |
| 3741 | " 5) {\n" |
| 3742 | "}" ); |
| 3743 | |
| 3744 | FormatStyle OnePerLine = getLLVMStyle(); |
| 3745 | OnePerLine.BinPackParameters = false; |
| 3746 | verifyFormat( |
| 3747 | "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 3748 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 3749 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}" , |
| 3750 | OnePerLine); |
| 3751 | |
| 3752 | verifyFormat("int i = someFunction(aaaaaaa, 0)\n" |
| 3753 | " .aaa(aaaaaaaaaaaaa) *\n" |
| 3754 | " aaaaaaa +\n" |
| 3755 | " aaaaaaa;" , |
| 3756 | getLLVMStyleWithColumns(40)); |
| 3757 | } |
| 3758 | |
| 3759 | TEST_F(FormatTest, ExpressionIndentation) { |
| 3760 | verifyFormat("bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3761 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3762 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n" |
| 3763 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n" |
| 3764 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb +\n" |
| 3765 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb &&\n" |
| 3766 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n" |
| 3767 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >\n" |
| 3768 | " ccccccccccccccccccccccccccccccccccccccccc;" ); |
| 3769 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n" |
| 3770 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3771 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n" |
| 3772 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}" ); |
| 3773 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3774 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n" |
| 3775 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n" |
| 3776 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}" ); |
| 3777 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n" |
| 3778 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n" |
| 3779 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3780 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}" ); |
| 3781 | verifyFormat("if () {\n" |
| 3782 | "} else if (aaaaa && bbbbb > // break\n" |
| 3783 | " ccccc) {\n" |
| 3784 | "}" ); |
| 3785 | verifyFormat("if () {\n" |
| 3786 | "} else if (aaaaa &&\n" |
| 3787 | " bbbbb > // break\n" |
| 3788 | " ccccc &&\n" |
| 3789 | " ddddd) {\n" |
| 3790 | "}" ); |
| 3791 | |
| 3792 | // Presence of a trailing comment used to change indentation of b. |
| 3793 | verifyFormat("return aaaaaaaaaaaaaaaaaaa +\n" |
| 3794 | " b;\n" |
| 3795 | "return aaaaaaaaaaaaaaaaaaa +\n" |
| 3796 | " b; //" , |
| 3797 | getLLVMStyleWithColumns(30)); |
| 3798 | } |
| 3799 | |
| 3800 | TEST_F(FormatTest, ExpressionIndentationBreakingBeforeOperators) { |
| 3801 | // Not sure what the best system is here. Like this, the LHS can be found |
| 3802 | // immediately above an operator (everything with the same or a higher |
| 3803 | // indent). The RHS is aligned right of the operator and so compasses |
| 3804 | // everything until something with the same indent as the operator is found. |
| 3805 | // FIXME: Is this a good system? |
| 3806 | FormatStyle Style = getLLVMStyle(); |
| 3807 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All; |
| 3808 | verifyFormat( |
| 3809 | "bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3810 | " + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3811 | " + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3812 | " == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3813 | " * bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 3814 | " + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 3815 | " && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3816 | " * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3817 | " > ccccccccccccccccccccccccccccccccccccccccc;" , |
| 3818 | Style); |
| 3819 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3820 | " * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3821 | " + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3822 | " == bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}" , |
| 3823 | Style); |
| 3824 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3825 | " + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3826 | " * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3827 | " == bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}" , |
| 3828 | Style); |
| 3829 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3830 | " == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3831 | " * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3832 | " + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}" , |
| 3833 | Style); |
| 3834 | verifyFormat("if () {\n" |
| 3835 | "} else if (aaaaa\n" |
| 3836 | " && bbbbb // break\n" |
| 3837 | " > ccccc) {\n" |
| 3838 | "}" , |
| 3839 | Style); |
| 3840 | verifyFormat("return (a)\n" |
| 3841 | " // comment\n" |
| 3842 | " + b;" , |
| 3843 | Style); |
| 3844 | verifyFormat( |
| 3845 | "int aaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3846 | " * bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 3847 | " + cc;" , |
| 3848 | Style); |
| 3849 | |
| 3850 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3851 | " = aaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaa;" , |
| 3852 | Style); |
| 3853 | |
| 3854 | // Forced by comments. |
| 3855 | verifyFormat( |
| 3856 | "unsigned ContentSize =\n" |
| 3857 | " sizeof(int16_t) // DWARF ARange version number\n" |
| 3858 | " + sizeof(int32_t) // Offset of CU in the .debug_info section\n" |
| 3859 | " + sizeof(int8_t) // Pointer Size (in bytes)\n" |
| 3860 | " + sizeof(int8_t); // Segment Size (in bytes)" ); |
| 3861 | |
| 3862 | verifyFormat("return boost::fusion::at_c<0>(iiii).second\n" |
| 3863 | " == boost::fusion::at_c<1>(iiii).second;" , |
| 3864 | Style); |
| 3865 | |
| 3866 | Style.ColumnLimit = 60; |
| 3867 | verifyFormat("zzzzzzzzzz\n" |
| 3868 | " = bbbbbbbbbbbbbbbbb\n" |
| 3869 | " >> aaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 3870 | Style); |
| 3871 | |
| 3872 | Style.ColumnLimit = 80; |
| 3873 | Style.IndentWidth = 4; |
| 3874 | Style.TabWidth = 4; |
| 3875 | Style.UseTab = FormatStyle::UT_Always; |
| 3876 | Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign; |
| 3877 | Style.AlignOperands = false; |
| 3878 | EXPECT_EQ("return someVeryVeryLongConditionThatBarelyFitsOnALine\n" |
| 3879 | "\t&& (someOtherLongishConditionPart1\n" |
| 3880 | "\t\t|| someOtherEvenLongerNestedConditionPart2);" , |
| 3881 | format("return someVeryVeryLongConditionThatBarelyFitsOnALine && (someOtherLongishConditionPart1 || someOtherEvenLongerNestedConditionPart2);" , |
| 3882 | Style)); |
| 3883 | } |
| 3884 | |
| 3885 | TEST_F(FormatTest, EnforcedOperatorWraps) { |
| 3886 | // Here we'd like to wrap after the || operators, but a comment is forcing an |
| 3887 | // earlier wrap. |
| 3888 | verifyFormat("bool x = aaaaa //\n" |
| 3889 | " || bbbbb\n" |
| 3890 | " //\n" |
| 3891 | " || cccc;" ); |
| 3892 | } |
| 3893 | |
| 3894 | TEST_F(FormatTest, NoOperandAlignment) { |
| 3895 | FormatStyle Style = getLLVMStyle(); |
| 3896 | Style.AlignOperands = false; |
| 3897 | verifyFormat("aaaaaaaaaaaaaa(aaaaaaaaaaaa,\n" |
| 3898 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 3899 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 3900 | Style); |
| 3901 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_NonAssignment; |
| 3902 | verifyFormat("bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3903 | " + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3904 | " + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3905 | " == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3906 | " * bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 3907 | " + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 3908 | " && aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3909 | " * aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3910 | " > ccccccccccccccccccccccccccccccccccccccccc;" , |
| 3911 | Style); |
| 3912 | |
| 3913 | verifyFormat("int aaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3914 | " * bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 3915 | " + cc;" , |
| 3916 | Style); |
| 3917 | verifyFormat("int a = aa\n" |
| 3918 | " + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 3919 | " * cccccccccccccccccccccccccccccccccccc;\n" , |
| 3920 | Style); |
| 3921 | |
| 3922 | Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign; |
| 3923 | verifyFormat("return (a > b\n" |
| 3924 | " // comment1\n" |
| 3925 | " // comment2\n" |
| 3926 | " || c);" , |
| 3927 | Style); |
| 3928 | } |
| 3929 | |
| 3930 | TEST_F(FormatTest, BreakingBeforeNonAssigmentOperators) { |
| 3931 | FormatStyle Style = getLLVMStyle(); |
| 3932 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_NonAssignment; |
| 3933 | verifyFormat("int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 3934 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 3935 | " + bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;" , |
| 3936 | Style); |
| 3937 | } |
| 3938 | |
| 3939 | TEST_F(FormatTest, AllowBinPackingInsideArguments) { |
| 3940 | FormatStyle Style = getLLVMStyle(); |
| 3941 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_NonAssignment; |
| 3942 | Style.BinPackArguments = false; |
| 3943 | Style.ColumnLimit = 40; |
| 3944 | verifyFormat("void test() {\n" |
| 3945 | " someFunction(\n" |
| 3946 | " this + argument + is + quite\n" |
| 3947 | " + long + so + it + gets + wrapped\n" |
| 3948 | " + but + remains + bin - packed);\n" |
| 3949 | "}" , |
| 3950 | Style); |
| 3951 | verifyFormat("void test() {\n" |
| 3952 | " someFunction(arg1,\n" |
| 3953 | " this + argument + is\n" |
| 3954 | " + quite + long + so\n" |
| 3955 | " + it + gets + wrapped\n" |
| 3956 | " + but + remains + bin\n" |
| 3957 | " - packed,\n" |
| 3958 | " arg3);\n" |
| 3959 | "}" , |
| 3960 | Style); |
| 3961 | verifyFormat("void test() {\n" |
| 3962 | " someFunction(\n" |
| 3963 | " arg1,\n" |
| 3964 | " this + argument + has\n" |
| 3965 | " + anotherFunc(nested,\n" |
| 3966 | " calls + whose\n" |
| 3967 | " + arguments\n" |
| 3968 | " + are + also\n" |
| 3969 | " + wrapped,\n" |
| 3970 | " in + addition)\n" |
| 3971 | " + to + being + bin - packed,\n" |
| 3972 | " arg3);\n" |
| 3973 | "}" , |
| 3974 | Style); |
| 3975 | |
| 3976 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_None; |
| 3977 | verifyFormat("void test() {\n" |
| 3978 | " someFunction(\n" |
| 3979 | " arg1,\n" |
| 3980 | " this + argument + has +\n" |
| 3981 | " anotherFunc(nested,\n" |
| 3982 | " calls + whose +\n" |
| 3983 | " arguments +\n" |
| 3984 | " are + also +\n" |
| 3985 | " wrapped,\n" |
| 3986 | " in + addition) +\n" |
| 3987 | " to + being + bin - packed,\n" |
| 3988 | " arg3);\n" |
| 3989 | "}" , |
| 3990 | Style); |
| 3991 | } |
| 3992 | |
| 3993 | TEST_F(FormatTest, ConstructorInitializers) { |
| 3994 | verifyFormat("Constructor() : Initializer(FitsOnTheLine) {}" ); |
| 3995 | verifyFormat("Constructor() : Inttializer(FitsOnTheLine) {}" , |
| 3996 | getLLVMStyleWithColumns(45)); |
| 3997 | verifyFormat("Constructor()\n" |
| 3998 | " : Inttializer(FitsOnTheLine) {}" , |
| 3999 | getLLVMStyleWithColumns(44)); |
| 4000 | verifyFormat("Constructor()\n" |
| 4001 | " : Inttializer(FitsOnTheLine) {}" , |
| 4002 | getLLVMStyleWithColumns(43)); |
| 4003 | |
| 4004 | verifyFormat("template <typename T>\n" |
| 4005 | "Constructor() : Initializer(FitsOnTheLine) {}" , |
| 4006 | getLLVMStyleWithColumns(45)); |
| 4007 | |
| 4008 | verifyFormat( |
| 4009 | "SomeClass::Constructor()\n" |
| 4010 | " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}" ); |
| 4011 | |
| 4012 | verifyFormat( |
| 4013 | "SomeClass::Constructor()\n" |
| 4014 | " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4015 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" ); |
| 4016 | verifyFormat( |
| 4017 | "SomeClass::Constructor()\n" |
| 4018 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4019 | " aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}" ); |
| 4020 | verifyFormat("Constructor(aaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4021 | " aaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 4022 | " : aaaaaaaaaa(aaaaaa) {}" ); |
| 4023 | |
| 4024 | verifyFormat("Constructor()\n" |
| 4025 | " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4026 | " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4027 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4028 | " aaaaaaaaaaaaaaaaaaaaaaa() {}" ); |
| 4029 | |
| 4030 | verifyFormat("Constructor()\n" |
| 4031 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4032 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" ); |
| 4033 | |
| 4034 | verifyFormat("Constructor(int Parameter = 0)\n" |
| 4035 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa),\n" |
| 4036 | " aaaaaaaaaaaa(aaaaaaaaaaaaaaaaa) {}" ); |
| 4037 | verifyFormat("Constructor()\n" |
| 4038 | " : aaaaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbbbbb(b) {\n" |
| 4039 | "}" , |
| 4040 | getLLVMStyleWithColumns(60)); |
| 4041 | verifyFormat("Constructor()\n" |
| 4042 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4043 | " aaaaaaaaaaaaaaaaaaaaaaaaa(aaaa, aaaa)) {}" ); |
| 4044 | |
| 4045 | // Here a line could be saved by splitting the second initializer onto two |
| 4046 | // lines, but that is not desirable. |
| 4047 | verifyFormat("Constructor()\n" |
| 4048 | " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4049 | " aaaaaaaaaaa(aaaaaaaaaaa),\n" |
| 4050 | " aaaaaaaaaaaaaaaaaaaaat(aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" ); |
| 4051 | |
| 4052 | FormatStyle OnePerLine = getLLVMStyle(); |
| 4053 | OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true; |
| 4054 | OnePerLine.AllowAllParametersOfDeclarationOnNextLine = false; |
| 4055 | verifyFormat("SomeClass::Constructor()\n" |
| 4056 | " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4057 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4058 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 4059 | OnePerLine); |
| 4060 | verifyFormat("SomeClass::Constructor()\n" |
| 4061 | " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), // Some comment\n" |
| 4062 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4063 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 4064 | OnePerLine); |
| 4065 | verifyFormat("MyClass::MyClass(int var)\n" |
| 4066 | " : some_var_(var), // 4 space indent\n" |
| 4067 | " some_other_var_(var + 1) { // lined up\n" |
| 4068 | "}" , |
| 4069 | OnePerLine); |
| 4070 | verifyFormat("Constructor()\n" |
| 4071 | " : aaaaa(aaaaaa),\n" |
| 4072 | " aaaaa(aaaaaa),\n" |
| 4073 | " aaaaa(aaaaaa),\n" |
| 4074 | " aaaaa(aaaaaa),\n" |
| 4075 | " aaaaa(aaaaaa) {}" , |
| 4076 | OnePerLine); |
| 4077 | verifyFormat("Constructor()\n" |
| 4078 | " : aaaaa(aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4079 | " aaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4080 | OnePerLine); |
| 4081 | OnePerLine.BinPackParameters = false; |
| 4082 | verifyFormat( |
| 4083 | "Constructor()\n" |
| 4084 | " : aaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4085 | " aaaaaaaaaaa().aaa(),\n" |
| 4086 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4087 | OnePerLine); |
| 4088 | OnePerLine.ColumnLimit = 60; |
| 4089 | verifyFormat("Constructor()\n" |
| 4090 | " : aaaaaaaaaaaaaaaaaaaa(a),\n" |
| 4091 | " bbbbbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4092 | OnePerLine); |
| 4093 | |
| 4094 | EXPECT_EQ("Constructor()\n" |
| 4095 | " : // Comment forcing unwanted break.\n" |
| 4096 | " aaaa(aaaa) {}" , |
| 4097 | format("Constructor() :\n" |
| 4098 | " // Comment forcing unwanted break.\n" |
| 4099 | " aaaa(aaaa) {}" )); |
| 4100 | } |
| 4101 | |
| 4102 | TEST_F(FormatTest, AllowAllConstructorInitializersOnNextLine) { |
| 4103 | FormatStyle Style = getLLVMStyle(); |
| 4104 | Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeComma; |
| 4105 | Style.ColumnLimit = 60; |
| 4106 | Style.ConstructorInitializerAllOnOneLineOrOnePerLine = true; |
| 4107 | Style.AllowAllConstructorInitializersOnNextLine = true; |
| 4108 | Style.BinPackParameters = false; |
| 4109 | |
| 4110 | for (int i = 0; i < 4; ++i) { |
| 4111 | // Test all combinations of parameters that should not have an effect. |
| 4112 | Style.AllowAllParametersOfDeclarationOnNextLine = i & 1; |
| 4113 | Style.AllowAllArgumentsOnNextLine = i & 2; |
| 4114 | |
| 4115 | Style.AllowAllConstructorInitializersOnNextLine = true; |
| 4116 | Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeComma; |
| 4117 | verifyFormat("Constructor()\n" |
| 4118 | " : aaaaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4119 | Style); |
| 4120 | verifyFormat("Constructor() : a(a), b(b) {}" , Style); |
| 4121 | |
| 4122 | Style.AllowAllConstructorInitializersOnNextLine = false; |
| 4123 | verifyFormat("Constructor()\n" |
| 4124 | " : aaaaaaaaaaaaaaaaaaaa(a)\n" |
| 4125 | " , bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4126 | Style); |
| 4127 | verifyFormat("Constructor() : a(a), b(b) {}" , Style); |
| 4128 | |
| 4129 | Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon; |
| 4130 | Style.AllowAllConstructorInitializersOnNextLine = true; |
| 4131 | verifyFormat("Constructor()\n" |
| 4132 | " : aaaaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4133 | Style); |
| 4134 | |
| 4135 | Style.AllowAllConstructorInitializersOnNextLine = false; |
| 4136 | verifyFormat("Constructor()\n" |
| 4137 | " : aaaaaaaaaaaaaaaaaaaa(a),\n" |
| 4138 | " bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4139 | Style); |
| 4140 | |
| 4141 | Style.BreakConstructorInitializers = FormatStyle::BCIS_AfterColon; |
| 4142 | Style.AllowAllConstructorInitializersOnNextLine = true; |
| 4143 | verifyFormat("Constructor() :\n" |
| 4144 | " aaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4145 | Style); |
| 4146 | |
| 4147 | Style.AllowAllConstructorInitializersOnNextLine = false; |
| 4148 | verifyFormat("Constructor() :\n" |
| 4149 | " aaaaaaaaaaaaaaaaaa(a),\n" |
| 4150 | " bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4151 | Style); |
| 4152 | } |
| 4153 | |
| 4154 | // Test interactions between AllowAllParametersOfDeclarationOnNextLine and |
| 4155 | // AllowAllConstructorInitializersOnNextLine in all |
| 4156 | // BreakConstructorInitializers modes |
| 4157 | Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeComma; |
| 4158 | Style.AllowAllParametersOfDeclarationOnNextLine = true; |
| 4159 | Style.AllowAllConstructorInitializersOnNextLine = false; |
| 4160 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4161 | " int aaaaaaaaaaaaaaaaaaaaaaaa, int bbbbbbbbbbbbb)\n" |
| 4162 | " : aaaaaaaaaaaaaaaaaaaa(a)\n" |
| 4163 | " , bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4164 | Style); |
| 4165 | |
| 4166 | Style.AllowAllConstructorInitializersOnNextLine = true; |
| 4167 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4168 | " int aaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4169 | " int bbbbbbbbbbbbb,\n" |
| 4170 | " int cccccccccccccccc)\n" |
| 4171 | " : aaaaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4172 | Style); |
| 4173 | |
| 4174 | Style.AllowAllParametersOfDeclarationOnNextLine = false; |
| 4175 | Style.AllowAllConstructorInitializersOnNextLine = false; |
| 4176 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4177 | " int aaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4178 | " int bbbbbbbbbbbbb)\n" |
| 4179 | " : aaaaaaaaaaaaaaaaaaaa(a)\n" |
| 4180 | " , bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4181 | Style); |
| 4182 | |
| 4183 | Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon; |
| 4184 | |
| 4185 | Style.AllowAllParametersOfDeclarationOnNextLine = true; |
| 4186 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4187 | " int aaaaaaaaaaaaaaaaaaaaaaaa, int bbbbbbbbbbbbb)\n" |
| 4188 | " : aaaaaaaaaaaaaaaaaaaa(a),\n" |
| 4189 | " bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4190 | Style); |
| 4191 | |
| 4192 | Style.AllowAllConstructorInitializersOnNextLine = true; |
| 4193 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4194 | " int aaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4195 | " int bbbbbbbbbbbbb,\n" |
| 4196 | " int cccccccccccccccc)\n" |
| 4197 | " : aaaaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4198 | Style); |
| 4199 | |
| 4200 | Style.AllowAllParametersOfDeclarationOnNextLine = false; |
| 4201 | Style.AllowAllConstructorInitializersOnNextLine = false; |
| 4202 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4203 | " int aaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4204 | " int bbbbbbbbbbbbb)\n" |
| 4205 | " : aaaaaaaaaaaaaaaaaaaa(a),\n" |
| 4206 | " bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4207 | Style); |
| 4208 | |
| 4209 | Style.BreakConstructorInitializers = FormatStyle::BCIS_AfterColon; |
| 4210 | Style.AllowAllParametersOfDeclarationOnNextLine = true; |
| 4211 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4212 | " int aaaaaaaaaaaaaaaaaaaaaaaa, int bbbbbbbbbbbbb) :\n" |
| 4213 | " aaaaaaaaaaaaaaaaaaaa(a),\n" |
| 4214 | " bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4215 | Style); |
| 4216 | |
| 4217 | Style.AllowAllConstructorInitializersOnNextLine = true; |
| 4218 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4219 | " int aaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4220 | " int bbbbbbbbbbbbb,\n" |
| 4221 | " int cccccccccccccccc) :\n" |
| 4222 | " aaaaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4223 | Style); |
| 4224 | |
| 4225 | Style.AllowAllParametersOfDeclarationOnNextLine = false; |
| 4226 | Style.AllowAllConstructorInitializersOnNextLine = false; |
| 4227 | verifyFormat("SomeClassWithALongName::Constructor(\n" |
| 4228 | " int aaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4229 | " int bbbbbbbbbbbbb) :\n" |
| 4230 | " aaaaaaaaaaaaaaaaaaaa(a),\n" |
| 4231 | " bbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4232 | Style); |
| 4233 | } |
| 4234 | |
| 4235 | TEST_F(FormatTest, AllowAllArgumentsOnNextLine) { |
| 4236 | FormatStyle Style = getLLVMStyle(); |
| 4237 | Style.ColumnLimit = 60; |
| 4238 | Style.BinPackArguments = false; |
| 4239 | for (int i = 0; i < 4; ++i) { |
| 4240 | // Test all combinations of parameters that should not have an effect. |
| 4241 | Style.AllowAllParametersOfDeclarationOnNextLine = i & 1; |
| 4242 | Style.AllowAllConstructorInitializersOnNextLine = i & 2; |
| 4243 | |
| 4244 | Style.AllowAllArgumentsOnNextLine = true; |
| 4245 | verifyFormat("void foo() {\n" |
| 4246 | " FunctionCallWithReallyLongName(\n" |
| 4247 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbb);\n" |
| 4248 | "}" , |
| 4249 | Style); |
| 4250 | Style.AllowAllArgumentsOnNextLine = false; |
| 4251 | verifyFormat("void foo() {\n" |
| 4252 | " FunctionCallWithReallyLongName(\n" |
| 4253 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4254 | " bbbbbbbbbbbb);\n" |
| 4255 | "}" , |
| 4256 | Style); |
| 4257 | |
| 4258 | Style.AllowAllArgumentsOnNextLine = true; |
| 4259 | verifyFormat("void foo() {\n" |
| 4260 | " auto VariableWithReallyLongName = {\n" |
| 4261 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbb};\n" |
| 4262 | "}" , |
| 4263 | Style); |
| 4264 | Style.AllowAllArgumentsOnNextLine = false; |
| 4265 | verifyFormat("void foo() {\n" |
| 4266 | " auto VariableWithReallyLongName = {\n" |
| 4267 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4268 | " bbbbbbbbbbbb};\n" |
| 4269 | "}" , |
| 4270 | Style); |
| 4271 | } |
| 4272 | |
| 4273 | // This parameter should not affect declarations. |
| 4274 | Style.BinPackParameters = false; |
| 4275 | Style.AllowAllArgumentsOnNextLine = false; |
| 4276 | Style.AllowAllParametersOfDeclarationOnNextLine = true; |
| 4277 | verifyFormat("void FunctionCallWithReallyLongName(\n" |
| 4278 | " int aaaaaaaaaaaaaaaaaaaaaaa, int bbbbbbbbbbbb);" , |
| 4279 | Style); |
| 4280 | Style.AllowAllParametersOfDeclarationOnNextLine = false; |
| 4281 | verifyFormat("void FunctionCallWithReallyLongName(\n" |
| 4282 | " int aaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4283 | " int bbbbbbbbbbbb);" , |
| 4284 | Style); |
| 4285 | } |
| 4286 | |
| 4287 | TEST_F(FormatTest, BreakConstructorInitializersAfterColon) { |
| 4288 | FormatStyle Style = getLLVMStyle(); |
| 4289 | Style.BreakConstructorInitializers = FormatStyle::BCIS_AfterColon; |
| 4290 | |
| 4291 | verifyFormat("Constructor() : Initializer(FitsOnTheLine) {}" ); |
| 4292 | verifyFormat("Constructor() : Initializer(FitsOnTheLine) {}" , |
| 4293 | getStyleWithColumns(Style, 45)); |
| 4294 | verifyFormat("Constructor() :\n" |
| 4295 | " Initializer(FitsOnTheLine) {}" , |
| 4296 | getStyleWithColumns(Style, 44)); |
| 4297 | verifyFormat("Constructor() :\n" |
| 4298 | " Initializer(FitsOnTheLine) {}" , |
| 4299 | getStyleWithColumns(Style, 43)); |
| 4300 | |
| 4301 | verifyFormat("template <typename T>\n" |
| 4302 | "Constructor() : Initializer(FitsOnTheLine) {}" , |
| 4303 | getStyleWithColumns(Style, 50)); |
| 4304 | Style.ConstructorInitializerAllOnOneLineOrOnePerLine = true; |
| 4305 | verifyFormat( |
| 4306 | "SomeClass::Constructor() :\n" |
| 4307 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}" , |
| 4308 | Style); |
| 4309 | |
| 4310 | Style.ConstructorInitializerAllOnOneLineOrOnePerLine = false; |
| 4311 | verifyFormat( |
| 4312 | "SomeClass::Constructor() :\n" |
| 4313 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}" , |
| 4314 | Style); |
| 4315 | |
| 4316 | verifyFormat( |
| 4317 | "SomeClass::Constructor() :\n" |
| 4318 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4319 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 4320 | Style); |
| 4321 | verifyFormat( |
| 4322 | "SomeClass::Constructor() :\n" |
| 4323 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4324 | " aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}" , |
| 4325 | Style); |
| 4326 | verifyFormat("Constructor(aaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4327 | " aaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) :\n" |
| 4328 | " aaaaaaaaaa(aaaaaa) {}" , |
| 4329 | Style); |
| 4330 | |
| 4331 | verifyFormat("Constructor() :\n" |
| 4332 | " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4333 | " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4334 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4335 | " aaaaaaaaaaaaaaaaaaaaaaa() {}" , |
| 4336 | Style); |
| 4337 | |
| 4338 | verifyFormat("Constructor() :\n" |
| 4339 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4340 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4341 | Style); |
| 4342 | |
| 4343 | verifyFormat("Constructor(int Parameter = 0) :\n" |
| 4344 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa),\n" |
| 4345 | " aaaaaaaaaaaa(aaaaaaaaaaaaaaaaa) {}" , |
| 4346 | Style); |
| 4347 | verifyFormat("Constructor() :\n" |
| 4348 | " aaaaaaaaaaaaaaaaaaaaaa(a), bbbbbbbbbbbbbbbbbbbbbbbb(b) {\n" |
| 4349 | "}" , |
| 4350 | getStyleWithColumns(Style, 60)); |
| 4351 | verifyFormat("Constructor() :\n" |
| 4352 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4353 | " aaaaaaaaaaaaaaaaaaaaaaaaa(aaaa, aaaa)) {}" , |
| 4354 | Style); |
| 4355 | |
| 4356 | // Here a line could be saved by splitting the second initializer onto two |
| 4357 | // lines, but that is not desirable. |
| 4358 | verifyFormat("Constructor() :\n" |
| 4359 | " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4360 | " aaaaaaaaaaa(aaaaaaaaaaa),\n" |
| 4361 | " aaaaaaaaaaaaaaaaaaaaat(aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4362 | Style); |
| 4363 | |
| 4364 | FormatStyle OnePerLine = Style; |
| 4365 | OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true; |
| 4366 | OnePerLine.AllowAllConstructorInitializersOnNextLine = false; |
| 4367 | verifyFormat("SomeClass::Constructor() :\n" |
| 4368 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4369 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4370 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 4371 | OnePerLine); |
| 4372 | verifyFormat("SomeClass::Constructor() :\n" |
| 4373 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa), // Some comment\n" |
| 4374 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 4375 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 4376 | OnePerLine); |
| 4377 | verifyFormat("MyClass::MyClass(int var) :\n" |
| 4378 | " some_var_(var), // 4 space indent\n" |
| 4379 | " some_other_var_(var + 1) { // lined up\n" |
| 4380 | "}" , |
| 4381 | OnePerLine); |
| 4382 | verifyFormat("Constructor() :\n" |
| 4383 | " aaaaa(aaaaaa),\n" |
| 4384 | " aaaaa(aaaaaa),\n" |
| 4385 | " aaaaa(aaaaaa),\n" |
| 4386 | " aaaaa(aaaaaa),\n" |
| 4387 | " aaaaa(aaaaaa) {}" , |
| 4388 | OnePerLine); |
| 4389 | verifyFormat("Constructor() :\n" |
| 4390 | " aaaaa(aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4391 | " aaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4392 | OnePerLine); |
| 4393 | OnePerLine.BinPackParameters = false; |
| 4394 | verifyFormat( |
| 4395 | "Constructor() :\n" |
| 4396 | " aaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4397 | " aaaaaaaaaaa().aaa(),\n" |
| 4398 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4399 | OnePerLine); |
| 4400 | OnePerLine.ColumnLimit = 60; |
| 4401 | verifyFormat("Constructor() :\n" |
| 4402 | " aaaaaaaaaaaaaaaaaaaa(a),\n" |
| 4403 | " bbbbbbbbbbbbbbbbbbbbbbbb(b) {}" , |
| 4404 | OnePerLine); |
| 4405 | |
| 4406 | EXPECT_EQ("Constructor() :\n" |
| 4407 | " // Comment forcing unwanted break.\n" |
| 4408 | " aaaa(aaaa) {}" , |
| 4409 | format("Constructor() :\n" |
| 4410 | " // Comment forcing unwanted break.\n" |
| 4411 | " aaaa(aaaa) {}" , |
| 4412 | Style)); |
| 4413 | |
| 4414 | Style.ColumnLimit = 0; |
| 4415 | verifyFormat("SomeClass::Constructor() :\n" |
| 4416 | " a(a) {}" , |
| 4417 | Style); |
| 4418 | verifyFormat("SomeClass::Constructor() noexcept :\n" |
| 4419 | " a(a) {}" , |
| 4420 | Style); |
| 4421 | verifyFormat("SomeClass::Constructor() :\n" |
| 4422 | " a(a), b(b), c(c) {}" , |
| 4423 | Style); |
| 4424 | verifyFormat("SomeClass::Constructor() :\n" |
| 4425 | " a(a) {\n" |
| 4426 | " foo();\n" |
| 4427 | " bar();\n" |
| 4428 | "}" , |
| 4429 | Style); |
| 4430 | |
| 4431 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None; |
| 4432 | verifyFormat("SomeClass::Constructor() :\n" |
| 4433 | " a(a), b(b), c(c) {\n" |
| 4434 | "}" , |
| 4435 | Style); |
| 4436 | verifyFormat("SomeClass::Constructor() :\n" |
| 4437 | " a(a) {\n" |
| 4438 | "}" , |
| 4439 | Style); |
| 4440 | |
| 4441 | Style.ColumnLimit = 80; |
| 4442 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All; |
| 4443 | Style.ConstructorInitializerIndentWidth = 2; |
| 4444 | verifyFormat("SomeClass::Constructor() : a(a), b(b), c(c) {}" , |
| 4445 | Style); |
| 4446 | verifyFormat("SomeClass::Constructor() :\n" |
| 4447 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4448 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb {}" , |
| 4449 | Style); |
| 4450 | |
| 4451 | // `ConstructorInitializerIndentWidth` actually applies to InheritanceList as well |
| 4452 | Style.BreakInheritanceList = FormatStyle::BILS_BeforeColon; |
| 4453 | verifyFormat("class SomeClass\n" |
| 4454 | " : public aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4455 | " public bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb {};" , |
| 4456 | Style); |
| 4457 | Style.BreakInheritanceList = FormatStyle::BILS_BeforeComma; |
| 4458 | verifyFormat("class SomeClass\n" |
| 4459 | " : public aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4460 | " , public bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb {};" , |
| 4461 | Style); |
| 4462 | Style.BreakInheritanceList = FormatStyle::BILS_AfterColon; |
| 4463 | verifyFormat("class SomeClass :\n" |
| 4464 | " public aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4465 | " public bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb {};" , |
| 4466 | Style); |
| 4467 | } |
| 4468 | |
| 4469 | #ifndef EXPENSIVE_CHECKS |
| 4470 | // Expensive checks enables libstdc++ checking which includes validating the |
| 4471 | // state of ranges used in std::priority_queue - this blows out the |
| 4472 | // runtime/scalability of the function and makes this test unacceptably slow. |
| 4473 | TEST_F(FormatTest, MemoizationTests) { |
| 4474 | // This breaks if the memoization lookup does not take \c Indent and |
| 4475 | // \c LastSpace into account. |
| 4476 | verifyFormat( |
| 4477 | "extern CFRunLoopTimerRef\n" |
| 4478 | "CFRunLoopTimerCreate(CFAllocatorRef allocato, CFAbsoluteTime fireDate,\n" |
| 4479 | " CFTimeInterval interval, CFOptionFlags flags,\n" |
| 4480 | " CFIndex order, CFRunLoopTimerCallBack callout,\n" |
| 4481 | " CFRunLoopTimerContext *context) {}" ); |
| 4482 | |
| 4483 | // Deep nesting somewhat works around our memoization. |
| 4484 | verifyFormat( |
| 4485 | "aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n" |
| 4486 | " aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n" |
| 4487 | " aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n" |
| 4488 | " aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n" |
| 4489 | " aaaaa())))))))))))))))))))))))))))))))))))))));" , |
| 4490 | getLLVMStyleWithColumns(65)); |
| 4491 | verifyFormat( |
| 4492 | "aaaaa(\n" |
| 4493 | " aaaaa,\n" |
| 4494 | " aaaaa(\n" |
| 4495 | " aaaaa,\n" |
| 4496 | " aaaaa(\n" |
| 4497 | " aaaaa,\n" |
| 4498 | " aaaaa(\n" |
| 4499 | " aaaaa,\n" |
| 4500 | " aaaaa(\n" |
| 4501 | " aaaaa,\n" |
| 4502 | " aaaaa(\n" |
| 4503 | " aaaaa,\n" |
| 4504 | " aaaaa(\n" |
| 4505 | " aaaaa,\n" |
| 4506 | " aaaaa(\n" |
| 4507 | " aaaaa,\n" |
| 4508 | " aaaaa(\n" |
| 4509 | " aaaaa,\n" |
| 4510 | " aaaaa(\n" |
| 4511 | " aaaaa,\n" |
| 4512 | " aaaaa(\n" |
| 4513 | " aaaaa,\n" |
| 4514 | " aaaaa(\n" |
| 4515 | " aaaaa,\n" |
| 4516 | " aaaaa))))))))))));" , |
| 4517 | getLLVMStyleWithColumns(65)); |
| 4518 | verifyFormat( |
| 4519 | "a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(), a), a), a), a),\n" |
| 4520 | " a),\n" |
| 4521 | " a),\n" |
| 4522 | " a),\n" |
| 4523 | " a),\n" |
| 4524 | " a),\n" |
| 4525 | " a),\n" |
| 4526 | " a),\n" |
| 4527 | " a),\n" |
| 4528 | " a),\n" |
| 4529 | " a),\n" |
| 4530 | " a),\n" |
| 4531 | " a),\n" |
| 4532 | " a),\n" |
| 4533 | " a),\n" |
| 4534 | " a),\n" |
| 4535 | " a),\n" |
| 4536 | " a)" , |
| 4537 | getLLVMStyleWithColumns(65)); |
| 4538 | |
| 4539 | // This test takes VERY long when memoization is broken. |
| 4540 | FormatStyle OnePerLine = getLLVMStyle(); |
| 4541 | OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true; |
| 4542 | OnePerLine.BinPackParameters = false; |
| 4543 | std::string input = "Constructor()\n" |
| 4544 | " : aaaa(a,\n" ; |
| 4545 | for (unsigned i = 0, e = 80; i != e; ++i) { |
| 4546 | input += " a,\n" ; |
| 4547 | } |
| 4548 | input += " a) {}" ; |
| 4549 | verifyFormat(input, OnePerLine); |
| 4550 | } |
| 4551 | #endif |
| 4552 | |
| 4553 | TEST_F(FormatTest, BreaksAsHighAsPossible) { |
| 4554 | verifyFormat( |
| 4555 | "void f() {\n" |
| 4556 | " if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaa) ||\n" |
| 4557 | " (bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb && bbbbbbbbbbbbbbbbbbbbbbbbbb))\n" |
| 4558 | " f();\n" |
| 4559 | "}" ); |
| 4560 | verifyFormat("if (Intervals[i].getRange().getFirst() <\n" |
| 4561 | " Intervals[i - 1].getRange().getLast()) {\n}" ); |
| 4562 | } |
| 4563 | |
| 4564 | TEST_F(FormatTest, BreaksFunctionDeclarations) { |
| 4565 | // Principially, we break function declarations in a certain order: |
| 4566 | // 1) break amongst arguments. |
| 4567 | verifyFormat("Aaaaaaaaaaaaaa bbbbbbbbbbbbbb(Cccccccccccccc cccccccccccccc,\n" |
| 4568 | " Cccccccccccccc cccccccccccccc);" ); |
| 4569 | verifyFormat("template <class TemplateIt>\n" |
| 4570 | "SomeReturnType SomeFunction(TemplateIt begin, TemplateIt end,\n" |
| 4571 | " TemplateIt *stop) {}" ); |
| 4572 | |
| 4573 | // 2) break after return type. |
| 4574 | verifyFormat( |
| 4575 | "Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4576 | "bbbbbbbbbbbbbb(Cccccccccccccc cccccccccccccccccccccccccc);" , |
| 4577 | getGoogleStyle()); |
| 4578 | |
| 4579 | // 3) break after (. |
| 4580 | verifyFormat( |
| 4581 | "Aaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbb(\n" |
| 4582 | " Cccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccc);" , |
| 4583 | getGoogleStyle()); |
| 4584 | |
| 4585 | // 4) break before after nested name specifiers. |
| 4586 | verifyFormat( |
| 4587 | "Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4588 | "SomeClasssssssssssssssssssssssssssssssssssssss::\n" |
| 4589 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(Cccccccccccccc cccccccccc);" , |
| 4590 | getGoogleStyle()); |
| 4591 | |
| 4592 | // However, there are exceptions, if a sufficient amount of lines can be |
| 4593 | // saved. |
| 4594 | // FIXME: The precise cut-offs wrt. the number of saved lines might need some |
| 4595 | // more adjusting. |
| 4596 | verifyFormat("Aaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbb(Cccccccccccccc cccccccccc,\n" |
| 4597 | " Cccccccccccccc cccccccccc,\n" |
| 4598 | " Cccccccccccccc cccccccccc,\n" |
| 4599 | " Cccccccccccccc cccccccccc,\n" |
| 4600 | " Cccccccccccccc cccccccccc);" ); |
| 4601 | verifyFormat( |
| 4602 | "Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4603 | "bbbbbbbbbbb(Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n" |
| 4604 | " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n" |
| 4605 | " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc);" , |
| 4606 | getGoogleStyle()); |
| 4607 | verifyFormat( |
| 4608 | "Aaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(Cccccccccccccc cccccccccc,\n" |
| 4609 | " Cccccccccccccc cccccccccc,\n" |
| 4610 | " Cccccccccccccc cccccccccc,\n" |
| 4611 | " Cccccccccccccc cccccccccc,\n" |
| 4612 | " Cccccccccccccc cccccccccc,\n" |
| 4613 | " Cccccccccccccc cccccccccc,\n" |
| 4614 | " Cccccccccccccc cccccccccc);" ); |
| 4615 | verifyFormat("Aaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n" |
| 4616 | " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n" |
| 4617 | " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n" |
| 4618 | " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n" |
| 4619 | " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc);" ); |
| 4620 | |
| 4621 | // Break after multi-line parameters. |
| 4622 | verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4623 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4624 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4625 | " bbbb bbbb);" ); |
| 4626 | verifyFormat("void SomeLoooooooooooongFunction(\n" |
| 4627 | " std::unique_ptr<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n" |
| 4628 | " aaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4629 | " int bbbbbbbbbbbbb);" ); |
| 4630 | |
| 4631 | // Treat overloaded operators like other functions. |
| 4632 | verifyFormat("SomeLoooooooooooooooooooooooooogType\n" |
| 4633 | "operator>(const SomeLoooooooooooooooooooooooooogType &other);" ); |
| 4634 | verifyFormat("SomeLoooooooooooooooooooooooooogType\n" |
| 4635 | "operator>>(const SomeLooooooooooooooooooooooooogType &other);" ); |
| 4636 | verifyFormat("SomeLoooooooooooooooooooooooooogType\n" |
| 4637 | "operator<<(const SomeLooooooooooooooooooooooooogType &other);" ); |
| 4638 | verifyGoogleFormat( |
| 4639 | "SomeLoooooooooooooooooooooooooooooogType operator>>(\n" |
| 4640 | " const SomeLooooooooogType &a, const SomeLooooooooogType &b);" ); |
| 4641 | verifyGoogleFormat( |
| 4642 | "SomeLoooooooooooooooooooooooooooooogType operator<<(\n" |
| 4643 | " const SomeLooooooooogType &a, const SomeLooooooooogType &b);" ); |
| 4644 | verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4645 | " int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa = 1);" ); |
| 4646 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaa\n" |
| 4647 | "aaaaaaaaaaaaaaaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaa = 1);" ); |
| 4648 | verifyGoogleFormat( |
| 4649 | "typename aaaaaaaaaa<aaaaaa>::aaaaaaaaaaa\n" |
| 4650 | "aaaaaaaaaa<aaaaaa>::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4651 | " bool *aaaaaaaaaaaaaaaaaa, bool *aa) {}" ); |
| 4652 | verifyGoogleFormat( |
| 4653 | "template <typename T>\n" |
| 4654 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4655 | "aaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaaaaaaaa(\n" |
| 4656 | " aaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaa);" ); |
| 4657 | |
| 4658 | FormatStyle Style = getLLVMStyle(); |
| 4659 | Style.PointerAlignment = FormatStyle::PAS_Left; |
| 4660 | verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4661 | " aaaaaaaaaaaaaaaaaaaaaaaaa* const aaaaaaaaaaaa) {}" , |
| 4662 | Style); |
| 4663 | verifyFormat("void aaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa*\n" |
| 4664 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4665 | Style); |
| 4666 | } |
| 4667 | |
| 4668 | TEST_F(FormatTest, DontBreakBeforeQualifiedOperator) { |
| 4669 | // Regression test for https://bugs.llvm.org/show_bug.cgi?id=40516: |
| 4670 | // Prefer keeping `::` followed by `operator` together. |
| 4671 | EXPECT_EQ("const aaaa::bbbbbbb &\n" |
| 4672 | "ccccccccc::operator++() {\n" |
| 4673 | " stuff();\n" |
| 4674 | "}" , |
| 4675 | format("const aaaa::bbbbbbb\n" |
| 4676 | "&ccccccccc::operator++() { stuff(); }" , |
| 4677 | getLLVMStyleWithColumns(40))); |
| 4678 | } |
| 4679 | |
| 4680 | TEST_F(FormatTest, TrailingReturnType) { |
| 4681 | verifyFormat("auto foo() -> int;\n" ); |
| 4682 | verifyFormat("struct S {\n" |
| 4683 | " auto bar() const -> int;\n" |
| 4684 | "};" ); |
| 4685 | verifyFormat("template <size_t Order, typename T>\n" |
| 4686 | "auto load_img(const std::string &filename)\n" |
| 4687 | " -> alias::tensor<Order, T, mem::tag::cpu> {}" ); |
| 4688 | verifyFormat("auto SomeFunction(A aaaaaaaaaaaaaaaaaaaaa) const\n" |
| 4689 | " -> decltype(f(aaaaaaaaaaaaaaaaaaaaa)) {}" ); |
| 4690 | verifyFormat("auto doSomething(Aaaaaa *aaaaaa) -> decltype(aaaaaa->f()) {}" ); |
| 4691 | verifyFormat("template <typename T>\n" |
| 4692 | "auto aaaaaaaaaaaaaaaaaaaaaa(T t)\n" |
| 4693 | " -> decltype(eaaaaaaaaaaaaaaa<T>(t.a).aaaaaaaa());" ); |
| 4694 | |
| 4695 | // Not trailing return types. |
| 4696 | verifyFormat("void f() { auto a = b->c(); }" ); |
| 4697 | } |
| 4698 | |
| 4699 | TEST_F(FormatTest, BreaksFunctionDeclarationsWithTrailingTokens) { |
| 4700 | // Avoid breaking before trailing 'const' or other trailing annotations, if |
| 4701 | // they are not function-like. |
| 4702 | FormatStyle Style = getGoogleStyle(); |
| 4703 | Style.ColumnLimit = 47; |
| 4704 | verifyFormat("void someLongFunction(\n" |
| 4705 | " int someLoooooooooooooongParameter) const {\n}" , |
| 4706 | getLLVMStyleWithColumns(47)); |
| 4707 | verifyFormat("LoooooongReturnType\n" |
| 4708 | "someLoooooooongFunction() const {}" , |
| 4709 | getLLVMStyleWithColumns(47)); |
| 4710 | verifyFormat("LoooooongReturnType someLoooooooongFunction()\n" |
| 4711 | " const {}" , |
| 4712 | Style); |
| 4713 | verifyFormat("void SomeFunction(aaaaa aaaaaaaaaaaaaaaaaaaa,\n" |
| 4714 | " aaaaa aaaaaaaaaaaaaaaaaaaa) OVERRIDE;" ); |
| 4715 | verifyFormat("void SomeFunction(aaaaa aaaaaaaaaaaaaaaaaaaa,\n" |
| 4716 | " aaaaa aaaaaaaaaaaaaaaaaaaa) OVERRIDE FINAL;" ); |
| 4717 | verifyFormat("void SomeFunction(aaaaa aaaaaaaaaaaaaaaaaaaa,\n" |
| 4718 | " aaaaa aaaaaaaaaaaaaaaaaaaa) override final;" ); |
| 4719 | verifyFormat("virtual void aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaa aaaa,\n" |
| 4720 | " aaaaaaaaaaa aaaaa) const override;" ); |
| 4721 | verifyGoogleFormat( |
| 4722 | "virtual void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 4723 | " const override;" ); |
| 4724 | |
| 4725 | // Even if the first parameter has to be wrapped. |
| 4726 | verifyFormat("void someLongFunction(\n" |
| 4727 | " int someLongParameter) const {}" , |
| 4728 | getLLVMStyleWithColumns(46)); |
| 4729 | verifyFormat("void someLongFunction(\n" |
| 4730 | " int someLongParameter) const {}" , |
| 4731 | Style); |
| 4732 | verifyFormat("void someLongFunction(\n" |
| 4733 | " int someLongParameter) override {}" , |
| 4734 | Style); |
| 4735 | verifyFormat("void someLongFunction(\n" |
| 4736 | " int someLongParameter) OVERRIDE {}" , |
| 4737 | Style); |
| 4738 | verifyFormat("void someLongFunction(\n" |
| 4739 | " int someLongParameter) final {}" , |
| 4740 | Style); |
| 4741 | verifyFormat("void someLongFunction(\n" |
| 4742 | " int someLongParameter) FINAL {}" , |
| 4743 | Style); |
| 4744 | verifyFormat("void someLongFunction(\n" |
| 4745 | " int parameter) const override {}" , |
| 4746 | Style); |
| 4747 | |
| 4748 | Style.BreakBeforeBraces = FormatStyle::BS_Allman; |
| 4749 | verifyFormat("void someLongFunction(\n" |
| 4750 | " int someLongParameter) const\n" |
| 4751 | "{\n" |
| 4752 | "}" , |
| 4753 | Style); |
| 4754 | |
| 4755 | // Unless these are unknown annotations. |
| 4756 | verifyFormat("void SomeFunction(aaaaaaaaaa aaaaaaaaaaaaaaa,\n" |
| 4757 | " aaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 4758 | " LONG_AND_UGLY_ANNOTATION;" ); |
| 4759 | |
| 4760 | // Breaking before function-like trailing annotations is fine to keep them |
| 4761 | // close to their arguments. |
| 4762 | verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 4763 | " LOCKS_EXCLUDED(aaaaaaaaaaaaa);" ); |
| 4764 | verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n" |
| 4765 | " LOCKS_EXCLUDED(aaaaaaaaaaaaa);" ); |
| 4766 | verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n" |
| 4767 | " LOCKS_EXCLUDED(aaaaaaaaaaaaa) {}" ); |
| 4768 | verifyGoogleFormat("void aaaaaaaaaaaaaa(aaaaaaaa aaa) override\n" |
| 4769 | " AAAAAAAAAAAAAAAAAAAAAAAA(aaaaaaaaaaaaaaa);" ); |
| 4770 | verifyFormat("SomeFunction([](int i) LOCKS_EXCLUDED(a) {});" ); |
| 4771 | |
| 4772 | verifyFormat( |
| 4773 | "void aaaaaaaaaaaaaaaaaa()\n" |
| 4774 | " __attribute__((aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4775 | " aaaaaaaaaaaaaaaaaaaaaaaaa));" ); |
| 4776 | verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4777 | " __attribute__((unused));" ); |
| 4778 | verifyGoogleFormat( |
| 4779 | "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4780 | " GUARDED_BY(aaaaaaaaaaaa);" ); |
| 4781 | verifyGoogleFormat( |
| 4782 | "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4783 | " GUARDED_BY(aaaaaaaaaaaa);" ); |
| 4784 | verifyGoogleFormat( |
| 4785 | "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa GUARDED_BY(aaaaaaaaaaaa) =\n" |
| 4786 | " aaaaaaaa::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 4787 | verifyGoogleFormat( |
| 4788 | "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa GUARDED_BY(aaaaaaaaaaaa) =\n" |
| 4789 | " aaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 4790 | } |
| 4791 | |
| 4792 | TEST_F(FormatTest, FunctionAnnotations) { |
| 4793 | verifyFormat("DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" |
| 4794 | "int OldFunction(const string ¶meter) {}" ); |
| 4795 | verifyFormat("DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" |
| 4796 | "string OldFunction(const string ¶meter) {}" ); |
| 4797 | verifyFormat("template <typename T>\n" |
| 4798 | "DEPRECATED(\"Use NewClass::NewFunction instead.\")\n" |
| 4799 | "string OldFunction(const string ¶meter) {}" ); |
| 4800 | |
| 4801 | // Not function annotations. |
| 4802 | verifyFormat("ASSERT(\"aaaaa\") << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 4803 | " << bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb" ); |
| 4804 | verifyFormat("TEST_F(ThisIsATestFixtureeeeeeeeeeeee,\n" |
| 4805 | " ThisIsATestWithAReallyReallyReallyReallyLongName) {}" ); |
| 4806 | verifyFormat("MACRO(abc).function() // wrap\n" |
| 4807 | " << abc;" ); |
| 4808 | verifyFormat("MACRO(abc)->function() // wrap\n" |
| 4809 | " << abc;" ); |
| 4810 | verifyFormat("MACRO(abc)::function() // wrap\n" |
| 4811 | " << abc;" ); |
| 4812 | } |
| 4813 | |
| 4814 | TEST_F(FormatTest, BreaksDesireably) { |
| 4815 | verifyFormat("if (aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n" |
| 4816 | " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n" |
| 4817 | " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa)) {\n}" ); |
| 4818 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4819 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)) {\n" |
| 4820 | "}" ); |
| 4821 | |
| 4822 | verifyFormat( |
| 4823 | "aaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4824 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" ); |
| 4825 | |
| 4826 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4827 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4828 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));" ); |
| 4829 | |
| 4830 | verifyFormat( |
| 4831 | "aaaaaaaa(aaaaaaaaaaaaa,\n" |
| 4832 | " aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4833 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n" |
| 4834 | " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4835 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));" ); |
| 4836 | |
| 4837 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 4838 | " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 4839 | |
| 4840 | verifyFormat( |
| 4841 | "void f() {\n" |
| 4842 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&\n" |
| 4843 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n" |
| 4844 | "}" ); |
| 4845 | verifyFormat( |
| 4846 | "aaaaaa(new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4847 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));" ); |
| 4848 | verifyFormat( |
| 4849 | "aaaaaa(aaa, new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4850 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));" ); |
| 4851 | verifyFormat( |
| 4852 | "aaaaaa(aaa,\n" |
| 4853 | " new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4854 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 4855 | " aaaa);" ); |
| 4856 | verifyFormat("aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 4857 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4858 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 4859 | |
| 4860 | // Indent consistently independent of call expression and unary operator. |
| 4861 | verifyFormat("aaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n" |
| 4862 | " dddddddddddddddddddddddddddddd));" ); |
| 4863 | verifyFormat("aaaaaaaaaaa(!bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n" |
| 4864 | " dddddddddddddddddddddddddddddd));" ); |
| 4865 | verifyFormat("aaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbb.ccccccccccccccccc(\n" |
| 4866 | " dddddddddddddddddddddddddddddd));" ); |
| 4867 | |
| 4868 | // This test case breaks on an incorrect memoization, i.e. an optimization not |
| 4869 | // taking into account the StopAt value. |
| 4870 | verifyFormat( |
| 4871 | "return aaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 4872 | " aaaaaaaaaaa(aaaaaaaaa) || aaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 4873 | " aaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 4874 | " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 4875 | |
| 4876 | verifyFormat("{\n {\n {\n" |
| 4877 | " Annotation.SpaceRequiredBefore =\n" |
| 4878 | " Line.Tokens[i - 1].Tok.isNot(tok::l_paren) &&\n" |
| 4879 | " Line.Tokens[i - 1].Tok.isNot(tok::l_square);\n" |
| 4880 | " }\n }\n}" ); |
| 4881 | |
| 4882 | // Break on an outer level if there was a break on an inner level. |
| 4883 | EXPECT_EQ("f(g(h(a, // comment\n" |
| 4884 | " b, c),\n" |
| 4885 | " d, e),\n" |
| 4886 | " x, y);" , |
| 4887 | format("f(g(h(a, // comment\n" |
| 4888 | " b, c), d, e), x, y);" )); |
| 4889 | |
| 4890 | // Prefer breaking similar line breaks. |
| 4891 | verifyFormat( |
| 4892 | "const int kTrackingOptions = NSTrackingMouseMoved |\n" |
| 4893 | " NSTrackingMouseEnteredAndExited |\n" |
| 4894 | " NSTrackingActiveAlways;" ); |
| 4895 | } |
| 4896 | |
| 4897 | TEST_F(FormatTest, FormatsDeclarationsOnePerLine) { |
| 4898 | FormatStyle NoBinPacking = getGoogleStyle(); |
| 4899 | NoBinPacking.BinPackParameters = false; |
| 4900 | NoBinPacking.BinPackArguments = true; |
| 4901 | verifyFormat("void f() {\n" |
| 4902 | " f(aaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaa,\n" |
| 4903 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n" |
| 4904 | "}" , |
| 4905 | NoBinPacking); |
| 4906 | verifyFormat("void f(int aaaaaaaaaaaaaaaaaaaa,\n" |
| 4907 | " int aaaaaaaaaaaaaaaaaaaa,\n" |
| 4908 | " int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 4909 | NoBinPacking); |
| 4910 | |
| 4911 | NoBinPacking.AllowAllParametersOfDeclarationOnNextLine = false; |
| 4912 | verifyFormat("void aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4913 | " vector<int> bbbbbbbbbbbbbbb);" , |
| 4914 | NoBinPacking); |
| 4915 | // FIXME: This behavior difference is probably not wanted. However, currently |
| 4916 | // we cannot distinguish BreakBeforeParameter being set because of the wrapped |
| 4917 | // template arguments from BreakBeforeParameter being set because of the |
| 4918 | // one-per-line formatting. |
| 4919 | verifyFormat( |
| 4920 | "void fffffffffff(aaaaaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4921 | " aaaaaaaaaa> aaaaaaaaaa);" , |
| 4922 | NoBinPacking); |
| 4923 | verifyFormat( |
| 4924 | "void fffffffffff(\n" |
| 4925 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaa>\n" |
| 4926 | " aaaaaaaaaa);" ); |
| 4927 | } |
| 4928 | |
| 4929 | TEST_F(FormatTest, FormatsOneParameterPerLineIfNecessary) { |
| 4930 | FormatStyle NoBinPacking = getGoogleStyle(); |
| 4931 | NoBinPacking.BinPackParameters = false; |
| 4932 | NoBinPacking.BinPackArguments = false; |
| 4933 | verifyFormat("f(aaaaaaaaaaaaaaaaaaaa,\n" |
| 4934 | " aaaaaaaaaaaaaaaaaaaa,\n" |
| 4935 | " aaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaa);" , |
| 4936 | NoBinPacking); |
| 4937 | verifyFormat("aaaaaaa(aaaaaaaaaaaaa,\n" |
| 4938 | " aaaaaaaaaaaaa,\n" |
| 4939 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));" , |
| 4940 | NoBinPacking); |
| 4941 | verifyFormat( |
| 4942 | "aaaaaaaa(aaaaaaaaaaaaa,\n" |
| 4943 | " aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4944 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n" |
| 4945 | " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4946 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));" , |
| 4947 | NoBinPacking); |
| 4948 | verifyFormat("aaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n" |
| 4949 | " .aaaaaaaaaaaaaaaaaa();" , |
| 4950 | NoBinPacking); |
| 4951 | verifyFormat("void f() {\n" |
| 4952 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 4953 | " aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaaa);\n" |
| 4954 | "}" , |
| 4955 | NoBinPacking); |
| 4956 | |
| 4957 | verifyFormat( |
| 4958 | "aaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4959 | " aaaaaaaaaaaa,\n" |
| 4960 | " aaaaaaaaaaaa);" , |
| 4961 | NoBinPacking); |
| 4962 | verifyFormat( |
| 4963 | "somefunction(someotherFunction(ddddddddddddddddddddddddddddddddddd,\n" |
| 4964 | " ddddddddddddddddddddddddddddd),\n" |
| 4965 | " test);" , |
| 4966 | NoBinPacking); |
| 4967 | |
| 4968 | verifyFormat("std::vector<aaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4969 | " aaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 4970 | " aaaaaaaaaaaaaaaaaaaaaaa>\n" |
| 4971 | " aaaaaaaaaaaaaaaaaa;" , |
| 4972 | NoBinPacking); |
| 4973 | verifyFormat("a(\"a\"\n" |
| 4974 | " \"a\",\n" |
| 4975 | " a);" ); |
| 4976 | |
| 4977 | NoBinPacking.AllowAllParametersOfDeclarationOnNextLine = false; |
| 4978 | verifyFormat("void aaaaaaaaaa(aaaaaaaaa,\n" |
| 4979 | " aaaaaaaaa,\n" |
| 4980 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 4981 | NoBinPacking); |
| 4982 | verifyFormat( |
| 4983 | "void f() {\n" |
| 4984 | " aaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n" |
| 4985 | " .aaaaaaa();\n" |
| 4986 | "}" , |
| 4987 | NoBinPacking); |
| 4988 | verifyFormat( |
| 4989 | "template <class SomeType, class SomeOtherType>\n" |
| 4990 | "SomeType SomeFunction(SomeType Type, SomeOtherType OtherType) {}" , |
| 4991 | NoBinPacking); |
| 4992 | } |
| 4993 | |
| 4994 | TEST_F(FormatTest, AdaptiveOnePerLineFormatting) { |
| 4995 | FormatStyle Style = getLLVMStyleWithColumns(15); |
| 4996 | Style.ExperimentalAutoDetectBinPacking = true; |
| 4997 | EXPECT_EQ("aaa(aaaa,\n" |
| 4998 | " aaaa,\n" |
| 4999 | " aaaa);\n" |
| 5000 | "aaa(aaaa,\n" |
| 5001 | " aaaa,\n" |
| 5002 | " aaaa);" , |
| 5003 | format("aaa(aaaa,\n" // one-per-line |
| 5004 | " aaaa,\n" |
| 5005 | " aaaa );\n" |
| 5006 | "aaa(aaaa, aaaa, aaaa);" , // inconclusive |
| 5007 | Style)); |
| 5008 | EXPECT_EQ("aaa(aaaa, aaaa,\n" |
| 5009 | " aaaa);\n" |
| 5010 | "aaa(aaaa, aaaa,\n" |
| 5011 | " aaaa);" , |
| 5012 | format("aaa(aaaa, aaaa,\n" // bin-packed |
| 5013 | " aaaa );\n" |
| 5014 | "aaa(aaaa, aaaa, aaaa);" , // inconclusive |
| 5015 | Style)); |
| 5016 | } |
| 5017 | |
| 5018 | TEST_F(FormatTest, FormatsBuilderPattern) { |
| 5019 | verifyFormat("return llvm::StringSwitch<Reference::Kind>(name)\n" |
| 5020 | " .StartsWith(\".eh_frame_hdr\", ORDER_EH_FRAMEHDR)\n" |
| 5021 | " .StartsWith(\".eh_frame\", ORDER_EH_FRAME)\n" |
| 5022 | " .StartsWith(\".init\", ORDER_INIT)\n" |
| 5023 | " .StartsWith(\".fini\", ORDER_FINI)\n" |
| 5024 | " .StartsWith(\".hash\", ORDER_HASH)\n" |
| 5025 | " .Default(ORDER_TEXT);\n" ); |
| 5026 | |
| 5027 | verifyFormat("return aaaaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa() <\n" |
| 5028 | " aaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa();" ); |
| 5029 | verifyFormat( |
| 5030 | "aaaaaaa->aaaaaaa\n" |
| 5031 | " ->aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5032 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 5033 | " ->aaaaaaaa(aaaaaaaaaaaaaaa);" ); |
| 5034 | verifyFormat( |
| 5035 | "aaaaaaa->aaaaaaa\n" |
| 5036 | " ->aaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 5037 | " ->aaaaaaaa(aaaaaaaaaaaaaaa);" ); |
| 5038 | verifyFormat( |
| 5039 | "aaaaaaaaaaaaaaaaaaa()->aaaaaa(bbbbb)->aaaaaaaaaaaaaaaaaaa( // break\n" |
| 5040 | " aaaaaaaaaaaaaa);" ); |
| 5041 | verifyFormat( |
| 5042 | "aaaaaaaaaaaaaaaaaaaaaaa *aaaaaaaaa =\n" |
| 5043 | " aaaaaa->aaaaaaaaaaaa()\n" |
| 5044 | " ->aaaaaaaaaaaaaaaa(\n" |
| 5045 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 5046 | " ->aaaaaaaaaaaaaaaaa();" ); |
| 5047 | verifyGoogleFormat( |
| 5048 | "void f() {\n" |
| 5049 | " someo->Add((new util::filetools::Handler(dir))\n" |
| 5050 | " ->OnEvent1(NewPermanentCallback(\n" |
| 5051 | " this, &HandlerHolderClass::EventHandlerCBA))\n" |
| 5052 | " ->OnEvent2(NewPermanentCallback(\n" |
| 5053 | " this, &HandlerHolderClass::EventHandlerCBB))\n" |
| 5054 | " ->OnEvent3(NewPermanentCallback(\n" |
| 5055 | " this, &HandlerHolderClass::EventHandlerCBC))\n" |
| 5056 | " ->OnEvent5(NewPermanentCallback(\n" |
| 5057 | " this, &HandlerHolderClass::EventHandlerCBD))\n" |
| 5058 | " ->OnEvent6(NewPermanentCallback(\n" |
| 5059 | " this, &HandlerHolderClass::EventHandlerCBE)));\n" |
| 5060 | "}" ); |
| 5061 | |
| 5062 | verifyFormat( |
| 5063 | "aaaaaaaaaaa().aaaaaaaaaaa().aaaaaaaaaaa().aaaaaaaaaaa().aaaaaaaaaaa();" ); |
| 5064 | verifyFormat("aaaaaaaaaaaaaaa()\n" |
| 5065 | " .aaaaaaaaaaaaaaa()\n" |
| 5066 | " .aaaaaaaaaaaaaaa()\n" |
| 5067 | " .aaaaaaaaaaaaaaa()\n" |
| 5068 | " .aaaaaaaaaaaaaaa();" ); |
| 5069 | verifyFormat("aaaaaaaaaaaaaaa.aaaaaaaaaaaaaaa()\n" |
| 5070 | " .aaaaaaaaaaaaaaa()\n" |
| 5071 | " .aaaaaaaaaaaaaaa()\n" |
| 5072 | " .aaaaaaaaaaaaaaa();" ); |
| 5073 | verifyFormat("aaaaaaaaaaaaaaa.aaaaaaaaaaaaaaa()\n" |
| 5074 | " .aaaaaaaaaaaaaaa.aaaaaaaaaaaaaaa()\n" |
| 5075 | " .aaaaaaaaaaaaaaa();" ); |
| 5076 | verifyFormat("aaaaaaaaaaaaa->aaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5077 | " ->aaaaaaaaaaaaaae(0)\n" |
| 5078 | " ->aaaaaaaaaaaaaaa();" ); |
| 5079 | |
| 5080 | // Don't linewrap after very short segments. |
| 5081 | verifyFormat("a().aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5082 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5083 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 5084 | verifyFormat("aa().aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5085 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5086 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 5087 | verifyFormat("aaa()\n" |
| 5088 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5089 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5090 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 5091 | |
| 5092 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaa()\n" |
| 5093 | " .aaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 5094 | " .has<bbbbbbbbbbbbbbbbbbbbb>();" ); |
| 5095 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaa()\n" |
| 5096 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n" |
| 5097 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>();" ); |
| 5098 | |
| 5099 | // Prefer not to break after empty parentheses. |
| 5100 | verifyFormat("FirstToken->WhitespaceRange.getBegin().getLocWithOffset(\n" |
| 5101 | " First->LastNewlineOffset);" ); |
| 5102 | |
| 5103 | // Prefer not to create "hanging" indents. |
| 5104 | verifyFormat( |
| 5105 | "return !soooooooooooooome_map\n" |
| 5106 | " .insert(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 5107 | " .second;" ); |
| 5108 | verifyFormat( |
| 5109 | "return aaaaaaaaaaaaaaaa\n" |
| 5110 | " .aaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa)\n" |
| 5111 | " .aaaa(aaaaaaaaaaaaaa);" ); |
| 5112 | // No hanging indent here. |
| 5113 | verifyFormat("aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaa.aaaaaaaaaaaaaaa(\n" |
| 5114 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5115 | verifyFormat("aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaa().aaaaaaaaaaaaaaa(\n" |
| 5116 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5117 | verifyFormat("aaaaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa)\n" |
| 5118 | " .aaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5119 | getLLVMStyleWithColumns(60)); |
| 5120 | verifyFormat("aaaaaaaaaaaaaaaaaa\n" |
| 5121 | " .aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa)\n" |
| 5122 | " .aaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5123 | getLLVMStyleWithColumns(59)); |
| 5124 | verifyFormat("aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5125 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 5126 | " .aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5127 | |
| 5128 | // Dont break if only closing statements before member call |
| 5129 | verifyFormat("test() {\n" |
| 5130 | " ([]() -> {\n" |
| 5131 | " int b = 32;\n" |
| 5132 | " return 3;\n" |
| 5133 | " }).foo();\n" |
| 5134 | "}" ); |
| 5135 | verifyFormat("test() {\n" |
| 5136 | " (\n" |
| 5137 | " []() -> {\n" |
| 5138 | " int b = 32;\n" |
| 5139 | " return 3;\n" |
| 5140 | " },\n" |
| 5141 | " foo, bar)\n" |
| 5142 | " .foo();\n" |
| 5143 | "}" ); |
| 5144 | verifyFormat("test() {\n" |
| 5145 | " ([]() -> {\n" |
| 5146 | " int b = 32;\n" |
| 5147 | " return 3;\n" |
| 5148 | " })\n" |
| 5149 | " .foo()\n" |
| 5150 | " .bar();\n" |
| 5151 | "}" ); |
| 5152 | verifyFormat("test() {\n" |
| 5153 | " ([]() -> {\n" |
| 5154 | " int b = 32;\n" |
| 5155 | " return 3;\n" |
| 5156 | " })\n" |
| 5157 | " .foo(\"aaaaaaaaaaaaaaaaa\"\n" |
| 5158 | " \"bbbb\");\n" |
| 5159 | "}" , |
| 5160 | getLLVMStyleWithColumns(30)); |
| 5161 | } |
| 5162 | |
| 5163 | TEST_F(FormatTest, BreaksAccordingToOperatorPrecedence) { |
| 5164 | verifyFormat( |
| 5165 | "if (aaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| 5166 | " bbbbbbbbbbbbbbbbbbbbbbbbb && ccccccccccccccccccccccccc) {\n}" ); |
| 5167 | verifyFormat( |
| 5168 | "if (aaaaaaaaaaaaaaaaaaaaaaaaa or\n" |
| 5169 | " bbbbbbbbbbbbbbbbbbbbbbbbb and cccccccccccccccccccccccc) {\n}" ); |
| 5170 | |
| 5171 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa && bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" |
| 5172 | " ccccccccccccccccccccccccc) {\n}" ); |
| 5173 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa and bbbbbbbbbbbbbbbbbbbbbbbb or\n" |
| 5174 | " ccccccccccccccccccccccccc) {\n}" ); |
| 5175 | |
| 5176 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" |
| 5177 | " ccccccccccccccccccccccccc) {\n}" ); |
| 5178 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa or bbbbbbbbbbbbbbbbbbbbbbbbb or\n" |
| 5179 | " ccccccccccccccccccccccccc) {\n}" ); |
| 5180 | |
| 5181 | verifyFormat( |
| 5182 | "if ((aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb) &&\n" |
| 5183 | " ccccccccccccccccccccccccc) {\n}" ); |
| 5184 | verifyFormat( |
| 5185 | "if ((aaaaaaaaaaaaaaaaaaaaaaaaa or bbbbbbbbbbbbbbbbbbbbbbbbb) and\n" |
| 5186 | " ccccccccccccccccccccccccc) {\n}" ); |
| 5187 | |
| 5188 | verifyFormat("return aaaa & AAAAAAAAAAAAAAAAAAAAAAAAAAAAA ||\n" |
| 5189 | " bbbb & BBBBBBBBBBBBBBBBBBBBBBBBBBBBB ||\n" |
| 5190 | " cccc & CCCCCCCCCCCCCCCCCCCCCCCCCC ||\n" |
| 5191 | " dddd & DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD;" ); |
| 5192 | verifyFormat("return aaaa & AAAAAAAAAAAAAAAAAAAAAAAAAAAAA or\n" |
| 5193 | " bbbb & BBBBBBBBBBBBBBBBBBBBBBBBBBBBB or\n" |
| 5194 | " cccc & CCCCCCCCCCCCCCCCCCCCCCCCCC or\n" |
| 5195 | " dddd & DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD;" ); |
| 5196 | |
| 5197 | verifyFormat("if ((aaaaaaaaaa != aaaaaaaaaaaaaaa ||\n" |
| 5198 | " aaaaaaaaaaaaaaaaaaaaaaaa() >= aaaaaaaaaaaaaaaaaaaa) &&\n" |
| 5199 | " aaaaaaaaaaaaaaa != aa) {\n}" ); |
| 5200 | verifyFormat("if ((aaaaaaaaaa != aaaaaaaaaaaaaaa or\n" |
| 5201 | " aaaaaaaaaaaaaaaaaaaaaaaa() >= aaaaaaaaaaaaaaaaaaaa) and\n" |
| 5202 | " aaaaaaaaaaaaaaa != aa) {\n}" ); |
| 5203 | } |
| 5204 | |
| 5205 | TEST_F(FormatTest, BreaksAfterAssignments) { |
| 5206 | verifyFormat( |
| 5207 | "unsigned Cost =\n" |
| 5208 | " TTI.getMemoryOpCost(I->getOpcode(), VectorTy, SI->getAlignment(),\n" |
| 5209 | " SI->getPointerAddressSpaceee());\n" ); |
| 5210 | verifyFormat( |
| 5211 | "CharSourceRange LineRange = CharSourceRange::getTokenRange(\n" |
| 5212 | " Line.Tokens.front().Tok.getLo(), Line.Tokens.back().Tok.getLoc());" ); |
| 5213 | |
| 5214 | verifyFormat( |
| 5215 | "aaaaaaaaaaaaaaaaaaaaaaaaaa aaaa = aaaaaaaaaaaaaa(0).aaaa().aaaaaaaaa(\n" |
| 5216 | " aaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaa);" ); |
| 5217 | verifyFormat("unsigned OriginalStartColumn =\n" |
| 5218 | " SourceMgr.getSpellingColumnNumber(\n" |
| 5219 | " Current.FormatTok.getStartOfNonWhitespace()) -\n" |
| 5220 | " 1;" ); |
| 5221 | } |
| 5222 | |
| 5223 | TEST_F(FormatTest, ConfigurableBreakAssignmentPenalty) { |
| 5224 | FormatStyle Style = getLLVMStyle(); |
| 5225 | verifyFormat("int aaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 5226 | " bbbbbbbbbbbbbbbbbbbbbbbbbb + cccccccccccccccccccccccccc;" , |
| 5227 | Style); |
| 5228 | |
| 5229 | Style.PenaltyBreakAssignment = 20; |
| 5230 | verifyFormat("int aaaaaaaaaaaaaaaaaaaaaaaaaa = bbbbbbbbbbbbbbbbbbbbbbbbbb +\n" |
| 5231 | " cccccccccccccccccccccccccc;" , |
| 5232 | Style); |
| 5233 | } |
| 5234 | |
| 5235 | TEST_F(FormatTest, AlignsAfterAssignments) { |
| 5236 | verifyFormat( |
| 5237 | "int Result = aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5238 | " aaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5239 | verifyFormat( |
| 5240 | "Result += aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5241 | " aaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5242 | verifyFormat( |
| 5243 | "Result >>= aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5244 | " aaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5245 | verifyFormat( |
| 5246 | "int Result = (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5247 | " aaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5248 | verifyFormat( |
| 5249 | "double LooooooooooooooooooooooooongResult = aaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5250 | " aaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5251 | " aaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5252 | } |
| 5253 | |
| 5254 | TEST_F(FormatTest, AlignsAfterReturn) { |
| 5255 | verifyFormat( |
| 5256 | "return aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5257 | " aaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5258 | verifyFormat( |
| 5259 | "return (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5260 | " aaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5261 | verifyFormat( |
| 5262 | "return aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n" |
| 5263 | " aaaaaaaaaaaaaaaaaaaaaa();" ); |
| 5264 | verifyFormat( |
| 5265 | "return (aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n" |
| 5266 | " aaaaaaaaaaaaaaaaaaaaaa());" ); |
| 5267 | verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5268 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5269 | verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5270 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) &&\n" |
| 5271 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5272 | verifyFormat("return\n" |
| 5273 | " // true if code is one of a or b.\n" |
| 5274 | " code == a || code == b;" ); |
| 5275 | } |
| 5276 | |
| 5277 | TEST_F(FormatTest, AlignsAfterOpenBracket) { |
| 5278 | verifyFormat( |
| 5279 | "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaa aaaaaaaa,\n" |
| 5280 | " aaaaaaaaa aaaaaaa) {}" ); |
| 5281 | verifyFormat( |
| 5282 | "SomeLongVariableName->someVeryLongFunctionName(aaaaaaaaaaa aaaaaaaaa,\n" |
| 5283 | " aaaaaaaaaaa aaaaaaaaa);" ); |
| 5284 | verifyFormat( |
| 5285 | "SomeLongVariableName->someFunction(foooooooo(aaaaaaaaaaaaaaa,\n" |
| 5286 | " aaaaaaaaaaaaaaaaaaaaa));" ); |
| 5287 | FormatStyle Style = getLLVMStyle(); |
| 5288 | Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign; |
| 5289 | verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5290 | " aaaaaaaaaaa aaaaaaaa, aaaaaaaaa aaaaaaa) {}" , |
| 5291 | Style); |
| 5292 | verifyFormat("SomeLongVariableName->someVeryLongFunctionName(\n" |
| 5293 | " aaaaaaaaaaa aaaaaaaaa, aaaaaaaaaaa aaaaaaaaa);" , |
| 5294 | Style); |
| 5295 | verifyFormat("SomeLongVariableName->someFunction(\n" |
| 5296 | " foooooooo(aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa));" , |
| 5297 | Style); |
| 5298 | verifyFormat( |
| 5299 | "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaa aaaaaaaa,\n" |
| 5300 | " aaaaaaaaa aaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 5301 | Style); |
| 5302 | verifyFormat( |
| 5303 | "SomeLongVariableName->someVeryLongFunctionName(aaaaaaaaaaa aaaaaaaaa,\n" |
| 5304 | " aaaaaaaaaaa aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5305 | Style); |
| 5306 | verifyFormat( |
| 5307 | "SomeLongVariableName->someFunction(foooooooo(aaaaaaaaaaaaaaa,\n" |
| 5308 | " aaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));" , |
| 5309 | Style); |
| 5310 | |
| 5311 | verifyFormat("bbbbbbbbbbbb(aaaaaaaaaaaaaaaaaaaaaaaa, //\n" |
| 5312 | " ccccccc(aaaaaaaaaaaaaaaaa, //\n" |
| 5313 | " b));" , |
| 5314 | Style); |
| 5315 | |
| 5316 | Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak; |
| 5317 | Style.BinPackArguments = false; |
| 5318 | Style.BinPackParameters = false; |
| 5319 | verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5320 | " aaaaaaaaaaa aaaaaaaa,\n" |
| 5321 | " aaaaaaaaa aaaaaaa,\n" |
| 5322 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}" , |
| 5323 | Style); |
| 5324 | verifyFormat("SomeLongVariableName->someVeryLongFunctionName(\n" |
| 5325 | " aaaaaaaaaaa aaaaaaaaa,\n" |
| 5326 | " aaaaaaaaaaa aaaaaaaaa,\n" |
| 5327 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5328 | Style); |
| 5329 | verifyFormat("SomeLongVariableName->someFunction(foooooooo(\n" |
| 5330 | " aaaaaaaaaaaaaaa,\n" |
| 5331 | " aaaaaaaaaaaaaaaaaaaaa,\n" |
| 5332 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));" , |
| 5333 | Style); |
| 5334 | verifyFormat( |
| 5335 | "aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa(\n" |
| 5336 | " aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)));" , |
| 5337 | Style); |
| 5338 | verifyFormat( |
| 5339 | "aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaa.aaaaaaaaaa(\n" |
| 5340 | " aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)));" , |
| 5341 | Style); |
| 5342 | verifyFormat( |
| 5343 | "aaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5344 | " aaaaaaaaaaaaaaaaaaaaa(\n" |
| 5345 | " aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)),\n" |
| 5346 | " aaaaaaaaaaaaaaaa);" , |
| 5347 | Style); |
| 5348 | verifyFormat( |
| 5349 | "aaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5350 | " aaaaaaaaaaaaaaaaaaaaa(\n" |
| 5351 | " aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa)) &&\n" |
| 5352 | " aaaaaaaaaaaaaaaa);" , |
| 5353 | Style); |
| 5354 | } |
| 5355 | |
| 5356 | TEST_F(FormatTest, ParenthesesAndOperandAlignment) { |
| 5357 | FormatStyle Style = getLLVMStyleWithColumns(40); |
| 5358 | verifyFormat("int a = f(aaaaaaaaaaaaaaaaaaaaaa &&\n" |
| 5359 | " bbbbbbbbbbbbbbbbbbbbbb);" , |
| 5360 | Style); |
| 5361 | Style.AlignAfterOpenBracket = FormatStyle::BAS_Align; |
| 5362 | Style.AlignOperands = false; |
| 5363 | verifyFormat("int a = f(aaaaaaaaaaaaaaaaaaaaaa &&\n" |
| 5364 | " bbbbbbbbbbbbbbbbbbbbbb);" , |
| 5365 | Style); |
| 5366 | Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign; |
| 5367 | Style.AlignOperands = true; |
| 5368 | verifyFormat("int a = f(aaaaaaaaaaaaaaaaaaaaaa &&\n" |
| 5369 | " bbbbbbbbbbbbbbbbbbbbbb);" , |
| 5370 | Style); |
| 5371 | Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign; |
| 5372 | Style.AlignOperands = false; |
| 5373 | verifyFormat("int a = f(aaaaaaaaaaaaaaaaaaaaaa &&\n" |
| 5374 | " bbbbbbbbbbbbbbbbbbbbbb);" , |
| 5375 | Style); |
| 5376 | } |
| 5377 | |
| 5378 | TEST_F(FormatTest, BreaksConditionalExpressions) { |
| 5379 | verifyFormat( |
| 5380 | "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5381 | " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5382 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5383 | verifyFormat( |
| 5384 | "aaaa(aaaaaaaaaa, aaaaaaaa,\n" |
| 5385 | " aaaaaaaaaaaaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5386 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5387 | verifyFormat( |
| 5388 | "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5389 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5390 | verifyFormat( |
| 5391 | "aaaa(aaaaaaaaa, aaaaaaaaa,\n" |
| 5392 | " aaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5393 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5394 | verifyFormat( |
| 5395 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa ? aaaa(aaaaaa)\n" |
| 5396 | " : aaaaaaaaaaaaa);" ); |
| 5397 | verifyFormat( |
| 5398 | "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5399 | " aaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5400 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5401 | " aaaaaaaaaaaaa);" ); |
| 5402 | verifyFormat( |
| 5403 | "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5404 | " aaaaaaaaaaaaaaaa ?: aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5405 | " aaaaaaaaaaaaa);" ); |
| 5406 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5407 | " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5408 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 5409 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5410 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5411 | verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5412 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5413 | " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5414 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 5415 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5416 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 5417 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5418 | verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5419 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5420 | " ?: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5421 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 5422 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 5423 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5424 | " ? aaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5425 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5426 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaa =\n" |
| 5427 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5428 | " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5429 | " : aaaaaaaaaaaaaaaa;" ); |
| 5430 | verifyFormat( |
| 5431 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5432 | " ? aaaaaaaaaaaaaaa\n" |
| 5433 | " : aaaaaaaaaaaaaaa;" ); |
| 5434 | verifyFormat("f(aaaaaaaaaaaaaaaa == // force break\n" |
| 5435 | " aaaaaaaaa\n" |
| 5436 | " ? b\n" |
| 5437 | " : c);" ); |
| 5438 | verifyFormat("return aaaa == bbbb\n" |
| 5439 | " // comment\n" |
| 5440 | " ? aaaa\n" |
| 5441 | " : bbbb;" ); |
| 5442 | verifyFormat("unsigned Indent =\n" |
| 5443 | " format(TheLine.First,\n" |
| 5444 | " IndentForLevel[TheLine.Level] >= 0\n" |
| 5445 | " ? IndentForLevel[TheLine.Level]\n" |
| 5446 | " : TheLine * 2,\n" |
| 5447 | " TheLine.InPPDirective, PreviousEndOfLineColumn);" , |
| 5448 | getLLVMStyleWithColumns(60)); |
| 5449 | verifyFormat("bool aaaaaa = aaaaaaaaaaaaa //\n" |
| 5450 | " ? aaaaaaaaaaaaaaa\n" |
| 5451 | " : bbbbbbbbbbbbbbb //\n" |
| 5452 | " ? ccccccccccccccc\n" |
| 5453 | " : ddddddddddddddd;" ); |
| 5454 | verifyFormat("bool aaaaaa = aaaaaaaaaaaaa //\n" |
| 5455 | " ? aaaaaaaaaaaaaaa\n" |
| 5456 | " : (bbbbbbbbbbbbbbb //\n" |
| 5457 | " ? ccccccccccccccc\n" |
| 5458 | " : ddddddddddddddd);" ); |
| 5459 | verifyFormat( |
| 5460 | "int aaaaaaaaaaaaaaaaaaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5461 | " ? aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| 5462 | " aaaaaaaaaaaaaaaaaaaaa +\n" |
| 5463 | " aaaaaaaaaaaaaaaaaaaaa\n" |
| 5464 | " : aaaaaaaaaa;" ); |
| 5465 | verifyFormat( |
| 5466 | "aaaaaa = aaaaaaaaaaaa ? aaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5467 | " : aaaaaaaaaaaaaaaaaaaaaa\n" |
| 5468 | " : aaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5469 | |
| 5470 | FormatStyle NoBinPacking = getLLVMStyle(); |
| 5471 | NoBinPacking.BinPackArguments = false; |
| 5472 | verifyFormat( |
| 5473 | "void f() {\n" |
| 5474 | " g(aaa,\n" |
| 5475 | " aaaaaaaaaa == aaaaaaaaaa ? aaaa : aaaaa,\n" |
| 5476 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5477 | " ? aaaaaaaaaaaaaaa\n" |
| 5478 | " : aaaaaaaaaaaaaaa);\n" |
| 5479 | "}" , |
| 5480 | NoBinPacking); |
| 5481 | verifyFormat( |
| 5482 | "void f() {\n" |
| 5483 | " g(aaa,\n" |
| 5484 | " aaaaaaaaaa == aaaaaaaaaa ? aaaa : aaaaa,\n" |
| 5485 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5486 | " ?: aaaaaaaaaaaaaaa);\n" |
| 5487 | "}" , |
| 5488 | NoBinPacking); |
| 5489 | |
| 5490 | verifyFormat("SomeFunction(aaaaaaaaaaaaaaaaa,\n" |
| 5491 | " // comment.\n" |
| 5492 | " ccccccccccccccccccccccccccccccccccccccc\n" |
| 5493 | " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5494 | " : bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);" ); |
| 5495 | |
| 5496 | // Assignments in conditional expressions. Apparently not uncommon :-(. |
| 5497 | verifyFormat("return a != b\n" |
| 5498 | " // comment\n" |
| 5499 | " ? a = b\n" |
| 5500 | " : a = b;" ); |
| 5501 | verifyFormat("return a != b\n" |
| 5502 | " // comment\n" |
| 5503 | " ? a = a != b\n" |
| 5504 | " // comment\n" |
| 5505 | " ? a = b\n" |
| 5506 | " : a\n" |
| 5507 | " : a;\n" ); |
| 5508 | verifyFormat("return a != b\n" |
| 5509 | " // comment\n" |
| 5510 | " ? a\n" |
| 5511 | " : a = a != b\n" |
| 5512 | " // comment\n" |
| 5513 | " ? a = b\n" |
| 5514 | " : a;" ); |
| 5515 | } |
| 5516 | |
| 5517 | TEST_F(FormatTest, BreaksConditionalExpressionsAfterOperator) { |
| 5518 | FormatStyle Style = getLLVMStyle(); |
| 5519 | Style.BreakBeforeTernaryOperators = false; |
| 5520 | Style.ColumnLimit = 70; |
| 5521 | verifyFormat( |
| 5522 | "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5523 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 5524 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5525 | Style); |
| 5526 | verifyFormat( |
| 5527 | "aaaa(aaaaaaaaaa, aaaaaaaa,\n" |
| 5528 | " aaaaaaaaaaaaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 5529 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5530 | Style); |
| 5531 | verifyFormat( |
| 5532 | "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 5533 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5534 | Style); |
| 5535 | verifyFormat( |
| 5536 | "aaaa(aaaaaaaa, aaaaaaaaaa,\n" |
| 5537 | " aaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 5538 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5539 | Style); |
| 5540 | verifyFormat( |
| 5541 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa ? aaaa(aaaaaa) :\n" |
| 5542 | " aaaaaaaaaaaaa);" , |
| 5543 | Style); |
| 5544 | verifyFormat( |
| 5545 | "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5546 | " aaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 5547 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5548 | " aaaaaaaaaaaaa);" , |
| 5549 | Style); |
| 5550 | verifyFormat( |
| 5551 | "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5552 | " aaaaaaaaaaaaaaaa ?: aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5553 | " aaaaaaaaaaaaa);" , |
| 5554 | Style); |
| 5555 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5556 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5557 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) :\n" |
| 5558 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5559 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5560 | Style); |
| 5561 | verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5562 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5563 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5564 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) :\n" |
| 5565 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5566 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 5567 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5568 | Style); |
| 5569 | verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 5570 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?:\n" |
| 5571 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 5572 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| 5573 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 5574 | Style); |
| 5575 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5576 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 5577 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa;" , |
| 5578 | Style); |
| 5579 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaa =\n" |
| 5580 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5581 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| 5582 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" , |
| 5583 | Style); |
| 5584 | verifyFormat( |
| 5585 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5586 | " aaaaaaaaaaaaaaa :\n" |
| 5587 | " aaaaaaaaaaaaaaa;" , |
| 5588 | Style); |
| 5589 | verifyFormat("f(aaaaaaaaaaaaaaaa == // force break\n" |
| 5590 | " aaaaaaaaa ?\n" |
| 5591 | " b :\n" |
| 5592 | " c);" , |
| 5593 | Style); |
| 5594 | verifyFormat("unsigned Indent =\n" |
| 5595 | " format(TheLine.First,\n" |
| 5596 | " IndentForLevel[TheLine.Level] >= 0 ?\n" |
| 5597 | " IndentForLevel[TheLine.Level] :\n" |
| 5598 | " TheLine * 2,\n" |
| 5599 | " TheLine.InPPDirective, PreviousEndOfLineColumn);" , |
| 5600 | Style); |
| 5601 | verifyFormat("bool aaaaaa = aaaaaaaaaaaaa ? //\n" |
| 5602 | " aaaaaaaaaaaaaaa :\n" |
| 5603 | " bbbbbbbbbbbbbbb ? //\n" |
| 5604 | " ccccccccccccccc :\n" |
| 5605 | " ddddddddddddddd;" , |
| 5606 | Style); |
| 5607 | verifyFormat("bool aaaaaa = aaaaaaaaaaaaa ? //\n" |
| 5608 | " aaaaaaaaaaaaaaa :\n" |
| 5609 | " (bbbbbbbbbbbbbbb ? //\n" |
| 5610 | " ccccccccccccccc :\n" |
| 5611 | " ddddddddddddddd);" , |
| 5612 | Style); |
| 5613 | verifyFormat("int i = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5614 | " /*bbbbbbbbbbbbbbb=*/bbbbbbbbbbbbbbbbbbbbbbbbb :\n" |
| 5615 | " ccccccccccccccccccccccccccc;" , |
| 5616 | Style); |
| 5617 | verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| 5618 | " aaaaa :\n" |
| 5619 | " bbbbbbbbbbbbbbb + cccccccccccccccc;" , |
| 5620 | Style); |
| 5621 | } |
| 5622 | |
| 5623 | TEST_F(FormatTest, DeclarationsOfMultipleVariables) { |
| 5624 | verifyFormat("bool aaaaaaaaaaaaaaaaa = aaaaaa->aaaaaaaaaaaaaaaaa(),\n" |
| 5625 | " aaaaaaaaaaa = aaaaaa->aaaaaaaaaaa();" ); |
| 5626 | verifyFormat("bool a = true, b = false;" ); |
| 5627 | |
| 5628 | verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 5629 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa),\n" |
| 5630 | " bbbbbbbbbbbbbbbbbbbbbbbbb =\n" |
| 5631 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(bbbbbbbbbbbbbbbb);" ); |
| 5632 | verifyFormat( |
| 5633 | "bool aaaaaaaaaaaaaaaaaaaaa =\n" |
| 5634 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbb && cccccccccccccccccccccccccccc,\n" |
| 5635 | " d = e && f;" ); |
| 5636 | verifyFormat("aaaaaaaaa a = aaaaaaaaaaaaaaaaaaaa, b = bbbbbbbbbbbbbbbbbbbb,\n" |
| 5637 | " c = cccccccccccccccccccc, d = dddddddddddddddddddd;" ); |
| 5638 | verifyFormat("aaaaaaaaa *a = aaaaaaaaaaaaaaaaaaa, *b = bbbbbbbbbbbbbbbbbbb,\n" |
| 5639 | " *c = ccccccccccccccccccc, *d = ddddddddddddddddddd;" ); |
| 5640 | verifyFormat("aaaaaaaaa ***a = aaaaaaaaaaaaaaaaaaa, ***b = bbbbbbbbbbbbbbb,\n" |
| 5641 | " ***c = ccccccccccccccccccc, ***d = ddddddddddddddd;" ); |
| 5642 | |
| 5643 | FormatStyle Style = getGoogleStyle(); |
| 5644 | Style.PointerAlignment = FormatStyle::PAS_Left; |
| 5645 | Style.DerivePointerAlignment = false; |
| 5646 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5647 | " *aaaaaaaaaaaaaaaaaaaaaaaaaaaaa = aaaaaaaaaaaaaaaaaaa,\n" |
| 5648 | " *b = bbbbbbbbbbbbbbbbbbb;" , |
| 5649 | Style); |
| 5650 | verifyFormat("aaaaaaaaa *a = aaaaaaaaaaaaaaaaaaa, *b = bbbbbbbbbbbbbbbbbbb,\n" |
| 5651 | " *b = bbbbbbbbbbbbbbbbbbb, *d = ddddddddddddddddddd;" , |
| 5652 | Style); |
| 5653 | verifyFormat("vector<int*> a, b;" , Style); |
| 5654 | verifyFormat("for (int *p, *q; p != q; p = p->next) {\n}" , Style); |
| 5655 | } |
| 5656 | |
| 5657 | TEST_F(FormatTest, ConditionalExpressionsInBrackets) { |
| 5658 | verifyFormat("arr[foo ? bar : baz];" ); |
| 5659 | verifyFormat("f()[foo ? bar : baz];" ); |
| 5660 | verifyFormat("(a + b)[foo ? bar : baz];" ); |
| 5661 | verifyFormat("arr[foo ? (4 > 5 ? 4 : 5) : 5 < 5 ? 5 : 7];" ); |
| 5662 | } |
| 5663 | |
| 5664 | TEST_F(FormatTest, AlignsStringLiterals) { |
| 5665 | verifyFormat("loooooooooooooooooooooooooongFunction(\"short literal \"\n" |
| 5666 | " \"short literal\");" ); |
| 5667 | verifyFormat( |
| 5668 | "looooooooooooooooooooooooongFunction(\n" |
| 5669 | " \"short literal\"\n" |
| 5670 | " \"looooooooooooooooooooooooooooooooooooooooooooooooong literal\");" ); |
| 5671 | verifyFormat("someFunction(\"Always break between multi-line\"\n" |
| 5672 | " \" string literals\",\n" |
| 5673 | " and, other, parameters);" ); |
| 5674 | EXPECT_EQ("fun + \"1243\" /* comment */\n" |
| 5675 | " \"5678\";" , |
| 5676 | format("fun + \"1243\" /* comment */\n" |
| 5677 | " \"5678\";" , |
| 5678 | getLLVMStyleWithColumns(28))); |
| 5679 | EXPECT_EQ( |
| 5680 | "aaaaaa = \"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa \"\n" |
| 5681 | " \"aaaaaaaaaaaaaaaaaaaaa\"\n" |
| 5682 | " \"aaaaaaaaaaaaaaaa\";" , |
| 5683 | format("aaaaaa =" |
| 5684 | "\"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa " |
| 5685 | "aaaaaaaaaaaaaaaaaaaaa\" " |
| 5686 | "\"aaaaaaaaaaaaaaaa\";" )); |
| 5687 | verifyFormat("a = a + \"a\"\n" |
| 5688 | " \"a\"\n" |
| 5689 | " \"a\";" ); |
| 5690 | verifyFormat("f(\"a\", \"b\"\n" |
| 5691 | " \"c\");" ); |
| 5692 | |
| 5693 | verifyFormat( |
| 5694 | "#define LL_FORMAT \"ll\"\n" |
| 5695 | "printf(\"aaaaa: %d, bbbbbb: %\" LL_FORMAT \"d, cccccccc: %\" LL_FORMAT\n" |
| 5696 | " \"d, ddddddddd: %\" LL_FORMAT \"d\");" ); |
| 5697 | |
| 5698 | verifyFormat("#define A(X) \\\n" |
| 5699 | " \"aaaaa\" #X \"bbbbbb\" \\\n" |
| 5700 | " \"ccccc\"" , |
| 5701 | getLLVMStyleWithColumns(23)); |
| 5702 | verifyFormat("#define A \"def\"\n" |
| 5703 | "f(\"abc\" A \"ghi\"\n" |
| 5704 | " \"jkl\");" ); |
| 5705 | |
| 5706 | verifyFormat("f(L\"a\"\n" |
| 5707 | " L\"b\");" ); |
| 5708 | verifyFormat("#define A(X) \\\n" |
| 5709 | " L\"aaaaa\" #X L\"bbbbbb\" \\\n" |
| 5710 | " L\"ccccc\"" , |
| 5711 | getLLVMStyleWithColumns(25)); |
| 5712 | |
| 5713 | verifyFormat("f(@\"a\"\n" |
| 5714 | " @\"b\");" ); |
| 5715 | verifyFormat("NSString s = @\"a\"\n" |
| 5716 | " @\"b\"\n" |
| 5717 | " @\"c\";" ); |
| 5718 | verifyFormat("NSString s = @\"a\"\n" |
| 5719 | " \"b\"\n" |
| 5720 | " \"c\";" ); |
| 5721 | } |
| 5722 | |
| 5723 | TEST_F(FormatTest, ReturnTypeBreakingStyle) { |
| 5724 | FormatStyle Style = getLLVMStyle(); |
| 5725 | // No declarations or definitions should be moved to own line. |
| 5726 | Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None; |
| 5727 | verifyFormat("class A {\n" |
| 5728 | " int f() { return 1; }\n" |
| 5729 | " int g();\n" |
| 5730 | "};\n" |
| 5731 | "int f() { return 1; }\n" |
| 5732 | "int g();\n" , |
| 5733 | Style); |
| 5734 | |
| 5735 | // All declarations and definitions should have the return type moved to its |
| 5736 | // own |
| 5737 | // line. |
| 5738 | Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_All; |
| 5739 | verifyFormat("class E {\n" |
| 5740 | " int\n" |
| 5741 | " f() {\n" |
| 5742 | " return 1;\n" |
| 5743 | " }\n" |
| 5744 | " int\n" |
| 5745 | " g();\n" |
| 5746 | "};\n" |
| 5747 | "int\n" |
| 5748 | "f() {\n" |
| 5749 | " return 1;\n" |
| 5750 | "}\n" |
| 5751 | "int\n" |
| 5752 | "g();\n" , |
| 5753 | Style); |
| 5754 | |
| 5755 | // Top-level definitions, and no kinds of declarations should have the |
| 5756 | // return type moved to its own line. |
| 5757 | Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_TopLevelDefinitions; |
| 5758 | verifyFormat("class B {\n" |
| 5759 | " int f() { return 1; }\n" |
| 5760 | " int g();\n" |
| 5761 | "};\n" |
| 5762 | "int\n" |
| 5763 | "f() {\n" |
| 5764 | " return 1;\n" |
| 5765 | "}\n" |
| 5766 | "int g();\n" , |
| 5767 | Style); |
| 5768 | |
| 5769 | // Top-level definitions and declarations should have the return type moved |
| 5770 | // to its own line. |
| 5771 | Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_TopLevel; |
| 5772 | verifyFormat("class C {\n" |
| 5773 | " int f() { return 1; }\n" |
| 5774 | " int g();\n" |
| 5775 | "};\n" |
| 5776 | "int\n" |
| 5777 | "f() {\n" |
| 5778 | " return 1;\n" |
| 5779 | "}\n" |
| 5780 | "int\n" |
| 5781 | "g();\n" , |
| 5782 | Style); |
| 5783 | |
| 5784 | // All definitions should have the return type moved to its own line, but no |
| 5785 | // kinds of declarations. |
| 5786 | Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_AllDefinitions; |
| 5787 | verifyFormat("class D {\n" |
| 5788 | " int\n" |
| 5789 | " f() {\n" |
| 5790 | " return 1;\n" |
| 5791 | " }\n" |
| 5792 | " int g();\n" |
| 5793 | "};\n" |
| 5794 | "int\n" |
| 5795 | "f() {\n" |
| 5796 | " return 1;\n" |
| 5797 | "}\n" |
| 5798 | "int g();\n" , |
| 5799 | Style); |
| 5800 | verifyFormat("const char *\n" |
| 5801 | "f(void) {\n" // Break here. |
| 5802 | " return \"\";\n" |
| 5803 | "}\n" |
| 5804 | "const char *bar(void);\n" , // No break here. |
| 5805 | Style); |
| 5806 | verifyFormat("template <class T>\n" |
| 5807 | "T *\n" |
| 5808 | "f(T &c) {\n" // Break here. |
| 5809 | " return NULL;\n" |
| 5810 | "}\n" |
| 5811 | "template <class T> T *f(T &c);\n" , // No break here. |
| 5812 | Style); |
| 5813 | verifyFormat("class C {\n" |
| 5814 | " int\n" |
| 5815 | " operator+() {\n" |
| 5816 | " return 1;\n" |
| 5817 | " }\n" |
| 5818 | " int\n" |
| 5819 | " operator()() {\n" |
| 5820 | " return 1;\n" |
| 5821 | " }\n" |
| 5822 | "};\n" , |
| 5823 | Style); |
| 5824 | verifyFormat("void\n" |
| 5825 | "A::operator()() {}\n" |
| 5826 | "void\n" |
| 5827 | "A::operator>>() {}\n" |
| 5828 | "void\n" |
| 5829 | "A::operator+() {}\n" , |
| 5830 | Style); |
| 5831 | verifyFormat("void *operator new(std::size_t s);" , // No break here. |
| 5832 | Style); |
| 5833 | verifyFormat("void *\n" |
| 5834 | "operator new(std::size_t s) {}" , |
| 5835 | Style); |
| 5836 | verifyFormat("void *\n" |
| 5837 | "operator delete[](void *ptr) {}" , |
| 5838 | Style); |
| 5839 | Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup; |
| 5840 | verifyFormat("const char *\n" |
| 5841 | "f(void)\n" // Break here. |
| 5842 | "{\n" |
| 5843 | " return \"\";\n" |
| 5844 | "}\n" |
| 5845 | "const char *bar(void);\n" , // No break here. |
| 5846 | Style); |
| 5847 | verifyFormat("template <class T>\n" |
| 5848 | "T *\n" // Problem here: no line break |
| 5849 | "f(T &c)\n" // Break here. |
| 5850 | "{\n" |
| 5851 | " return NULL;\n" |
| 5852 | "}\n" |
| 5853 | "template <class T> T *f(T &c);\n" , // No break here. |
| 5854 | Style); |
| 5855 | verifyFormat("int\n" |
| 5856 | "foo(A<bool> a)\n" |
| 5857 | "{\n" |
| 5858 | " return a;\n" |
| 5859 | "}\n" , |
| 5860 | Style); |
| 5861 | verifyFormat("int\n" |
| 5862 | "foo(A<8> a)\n" |
| 5863 | "{\n" |
| 5864 | " return a;\n" |
| 5865 | "}\n" , |
| 5866 | Style); |
| 5867 | verifyFormat("int\n" |
| 5868 | "foo(A<B<bool>, 8> a)\n" |
| 5869 | "{\n" |
| 5870 | " return a;\n" |
| 5871 | "}\n" , |
| 5872 | Style); |
| 5873 | verifyFormat("int\n" |
| 5874 | "foo(A<B<8>, bool> a)\n" |
| 5875 | "{\n" |
| 5876 | " return a;\n" |
| 5877 | "}\n" , |
| 5878 | Style); |
| 5879 | verifyFormat("int\n" |
| 5880 | "foo(A<B<bool>, bool> a)\n" |
| 5881 | "{\n" |
| 5882 | " return a;\n" |
| 5883 | "}\n" , |
| 5884 | Style); |
| 5885 | verifyFormat("int\n" |
| 5886 | "foo(A<B<8>, 8> a)\n" |
| 5887 | "{\n" |
| 5888 | " return a;\n" |
| 5889 | "}\n" , |
| 5890 | Style); |
| 5891 | |
| 5892 | Style = getGNUStyle(); |
| 5893 | |
| 5894 | // Test for comments at the end of function declarations. |
| 5895 | verifyFormat("void\n" |
| 5896 | "foo (int a, /*abc*/ int b) // def\n" |
| 5897 | "{\n" |
| 5898 | "}\n" , |
| 5899 | Style); |
| 5900 | |
| 5901 | verifyFormat("void\n" |
| 5902 | "foo (int a, /* abc */ int b) /* def */\n" |
| 5903 | "{\n" |
| 5904 | "}\n" , |
| 5905 | Style); |
| 5906 | |
| 5907 | // Definitions that should not break after return type |
| 5908 | verifyFormat("void foo (int a, int b); // def\n" , Style); |
| 5909 | verifyFormat("void foo (int a, int b); /* def */\n" , Style); |
| 5910 | verifyFormat("void foo (int a, int b);\n" , Style); |
| 5911 | } |
| 5912 | |
| 5913 | TEST_F(FormatTest, AlwaysBreakBeforeMultilineStrings) { |
| 5914 | FormatStyle NoBreak = getLLVMStyle(); |
| 5915 | NoBreak.AlwaysBreakBeforeMultilineStrings = false; |
| 5916 | FormatStyle Break = getLLVMStyle(); |
| 5917 | Break.AlwaysBreakBeforeMultilineStrings = true; |
| 5918 | verifyFormat("aaaa = \"bbbb\"\n" |
| 5919 | " \"cccc\";" , |
| 5920 | NoBreak); |
| 5921 | verifyFormat("aaaa =\n" |
| 5922 | " \"bbbb\"\n" |
| 5923 | " \"cccc\";" , |
| 5924 | Break); |
| 5925 | verifyFormat("aaaa(\"bbbb\"\n" |
| 5926 | " \"cccc\");" , |
| 5927 | NoBreak); |
| 5928 | verifyFormat("aaaa(\n" |
| 5929 | " \"bbbb\"\n" |
| 5930 | " \"cccc\");" , |
| 5931 | Break); |
| 5932 | verifyFormat("aaaa(qqq, \"bbbb\"\n" |
| 5933 | " \"cccc\");" , |
| 5934 | NoBreak); |
| 5935 | verifyFormat("aaaa(qqq,\n" |
| 5936 | " \"bbbb\"\n" |
| 5937 | " \"cccc\");" , |
| 5938 | Break); |
| 5939 | verifyFormat("aaaa(qqq,\n" |
| 5940 | " L\"bbbb\"\n" |
| 5941 | " L\"cccc\");" , |
| 5942 | Break); |
| 5943 | verifyFormat("aaaaa(aaaaaa, aaaaaaa(\"aaaa\"\n" |
| 5944 | " \"bbbb\"));" , |
| 5945 | Break); |
| 5946 | verifyFormat("string s = someFunction(\n" |
| 5947 | " \"abc\"\n" |
| 5948 | " \"abc\");" , |
| 5949 | Break); |
| 5950 | |
| 5951 | // As we break before unary operators, breaking right after them is bad. |
| 5952 | verifyFormat("string foo = abc ? \"x\"\n" |
| 5953 | " \"blah blah blah blah blah blah\"\n" |
| 5954 | " : \"y\";" , |
| 5955 | Break); |
| 5956 | |
| 5957 | // Don't break if there is no column gain. |
| 5958 | verifyFormat("f(\"aaaa\"\n" |
| 5959 | " \"bbbb\");" , |
| 5960 | Break); |
| 5961 | |
| 5962 | // Treat literals with escaped newlines like multi-line string literals. |
| 5963 | EXPECT_EQ("x = \"a\\\n" |
| 5964 | "b\\\n" |
| 5965 | "c\";" , |
| 5966 | format("x = \"a\\\n" |
| 5967 | "b\\\n" |
| 5968 | "c\";" , |
| 5969 | NoBreak)); |
| 5970 | EXPECT_EQ("xxxx =\n" |
| 5971 | " \"a\\\n" |
| 5972 | "b\\\n" |
| 5973 | "c\";" , |
| 5974 | format("xxxx = \"a\\\n" |
| 5975 | "b\\\n" |
| 5976 | "c\";" , |
| 5977 | Break)); |
| 5978 | |
| 5979 | EXPECT_EQ("NSString *const kString =\n" |
| 5980 | " @\"aaaa\"\n" |
| 5981 | " @\"bbbb\";" , |
| 5982 | format("NSString *const kString = @\"aaaa\"\n" |
| 5983 | "@\"bbbb\";" , |
| 5984 | Break)); |
| 5985 | |
| 5986 | Break.ColumnLimit = 0; |
| 5987 | verifyFormat("const char *hello = \"hello llvm\";" , Break); |
| 5988 | } |
| 5989 | |
| 5990 | TEST_F(FormatTest, AlignsPipes) { |
| 5991 | verifyFormat( |
| 5992 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5993 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 5994 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 5995 | verifyFormat( |
| 5996 | "aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa\n" |
| 5997 | " << aaaaaaaaaaaaaaaaaaaa;" ); |
| 5998 | verifyFormat( |
| 5999 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6000 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 6001 | verifyFormat( |
| 6002 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 6003 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 6004 | verifyFormat( |
| 6005 | "llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n" |
| 6006 | " \"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\"\n" |
| 6007 | " << \"ccccccccccccccccccccccccccccccccccccccccccccccccc\";" ); |
| 6008 | verifyFormat( |
| 6009 | "aaaaaaaa << (aaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6010 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6011 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 6012 | verifyFormat("llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6013 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6014 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6015 | " << bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;" ); |
| 6016 | verifyFormat("llvm::errs() << \"aaaaaaaaaaaaaaaaaaaaaaa: \"\n" |
| 6017 | " << aaaaaaaaaaaaaaaaa(aaaaaaaa, aaaaaaaaaaa);" ); |
| 6018 | verifyFormat( |
| 6019 | "llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6020 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6021 | verifyFormat( |
| 6022 | "auto Diag = diag() << aaaaaaaaaaaaaaaa(aaaaaaaaaaaa, aaaaaaaaaaaaa,\n" |
| 6023 | " aaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6024 | |
| 6025 | verifyFormat("llvm::outs() << \"aaaaaaaaaaaaaaaa: \"\n" |
| 6026 | " << aaaaaaaa.aaaaaaaaaaaa(aaa)->aaaaaaaaaaaaaa();" ); |
| 6027 | verifyFormat("llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6028 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6029 | " aaaaaaaaaaaaaaaaaaaaa)\n" |
| 6030 | " << aaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 6031 | verifyFormat("LOG_IF(aaa == //\n" |
| 6032 | " bbb)\n" |
| 6033 | " << a << b;" ); |
| 6034 | |
| 6035 | // But sometimes, breaking before the first "<<" is desirable. |
| 6036 | verifyFormat("Diag(aaaaaaaaaaaaaaaaaaaa, aaaaaaaa)\n" |
| 6037 | " << aaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaa);" ); |
| 6038 | verifyFormat("Diag(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbb)\n" |
| 6039 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6040 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 6041 | verifyFormat("SemaRef.Diag(Loc, diag::note_for_range_begin_end)\n" |
| 6042 | " << BEF << IsTemplate << Description << E->getType();" ); |
| 6043 | verifyFormat("Diag(aaaaaaaaaaaaaaaaaaaa, aaaaaaaa)\n" |
| 6044 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6045 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6046 | verifyFormat("Diag(aaaaaaaaaaaaaaaaaaaa, aaaaaaaa)\n" |
| 6047 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6048 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6049 | " << aaa;" ); |
| 6050 | |
| 6051 | verifyFormat( |
| 6052 | "llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6053 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6054 | |
| 6055 | // Incomplete string literal. |
| 6056 | EXPECT_EQ("llvm::errs() << \"\n" |
| 6057 | " << a;" , |
| 6058 | format("llvm::errs() << \"\n<<a;" )); |
| 6059 | |
| 6060 | verifyFormat("void f() {\n" |
| 6061 | " CHECK_EQ(aaaa, (*bbbbbbbbb)->cccccc)\n" |
| 6062 | " << \"qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq\";\n" |
| 6063 | "}" ); |
| 6064 | |
| 6065 | // Handle 'endl'. |
| 6066 | verifyFormat("llvm::errs() << aaaaaaaaaaaaaaaaaaaaaa << endl\n" |
| 6067 | " << bbbbbbbbbbbbbbbbbbbbbb << endl;" ); |
| 6068 | verifyFormat("llvm::errs() << endl << bbbbbbbbbbbbbbbbbbbbbb << endl;" ); |
| 6069 | |
| 6070 | // Handle '\n'. |
| 6071 | verifyFormat("llvm::errs() << aaaaaaaaaaaaaaaaaaaaaa << \"\\n\"\n" |
| 6072 | " << bbbbbbbbbbbbbbbbbbbbbb << \"\\n\";" ); |
| 6073 | verifyFormat("llvm::errs() << aaaaaaaaaaaaaaaaaaaaaa << \'\\n\'\n" |
| 6074 | " << bbbbbbbbbbbbbbbbbbbbbb << \'\\n\';" ); |
| 6075 | verifyFormat("llvm::errs() << aaaa << \"aaaaaaaaaaaaaaaaaa\\n\"\n" |
| 6076 | " << bbbb << \"bbbbbbbbbbbbbbbbbb\\n\";" ); |
| 6077 | verifyFormat("llvm::errs() << \"\\n\" << bbbbbbbbbbbbbbbbbbbbbb << \"\\n\";" ); |
| 6078 | } |
| 6079 | |
| 6080 | TEST_F(FormatTest, KeepStringLabelValuePairsOnALine) { |
| 6081 | verifyFormat("return out << \"somepacket = {\\n\"\n" |
| 6082 | " << \" aaaaaa = \" << pkt.aaaaaa << \"\\n\"\n" |
| 6083 | " << \" bbbb = \" << pkt.bbbb << \"\\n\"\n" |
| 6084 | " << \" cccccc = \" << pkt.cccccc << \"\\n\"\n" |
| 6085 | " << \" ddd = [\" << pkt.ddd << \"]\\n\"\n" |
| 6086 | " << \"}\";" ); |
| 6087 | |
| 6088 | verifyFormat("llvm::outs() << \"aaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaa\n" |
| 6089 | " << \"aaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaa\n" |
| 6090 | " << \"aaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaa;" ); |
| 6091 | verifyFormat( |
| 6092 | "llvm::outs() << \"aaaaaaaaaaaaaaaaa = \" << aaaaaaaaaaaaaaaaa\n" |
| 6093 | " << \"bbbbbbbbbbbbbbbbb = \" << bbbbbbbbbbbbbbbbb\n" |
| 6094 | " << \"ccccccccccccccccc = \" << ccccccccccccccccc\n" |
| 6095 | " << \"ddddddddddddddddd = \" << ddddddddddddddddd\n" |
| 6096 | " << \"eeeeeeeeeeeeeeeee = \" << eeeeeeeeeeeeeeeee;" ); |
| 6097 | verifyFormat("llvm::outs() << aaaaaaaaaaaaaaaaaaaaaaaa << \"=\"\n" |
| 6098 | " << bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;" ); |
| 6099 | verifyFormat( |
| 6100 | "void f() {\n" |
| 6101 | " llvm::outs() << \"aaaaaaaaaaaaaaaaaaaa: \"\n" |
| 6102 | " << aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n" |
| 6103 | "}" ); |
| 6104 | |
| 6105 | // Breaking before the first "<<" is generally not desirable. |
| 6106 | verifyFormat( |
| 6107 | "llvm::errs()\n" |
| 6108 | " << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6109 | " << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6110 | " << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6111 | " << \"aaaaaaaaaaaaaaaaaaa: \" << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;" , |
| 6112 | getLLVMStyleWithColumns(70)); |
| 6113 | verifyFormat("llvm::errs() << \"aaaaaaaaaaaaaaaaaaa: \"\n" |
| 6114 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6115 | " << \"aaaaaaaaaaaaaaaaaaa: \"\n" |
| 6116 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6117 | " << \"aaaaaaaaaaaaaaaaaaa: \"\n" |
| 6118 | " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;" , |
| 6119 | getLLVMStyleWithColumns(70)); |
| 6120 | |
| 6121 | verifyFormat("string v = \"aaaaaaaaaaaaaaaa: \" + aaaaaaaaaaaaaaaa +\n" |
| 6122 | " \"aaaaaaaaaaaaaaaa: \" + aaaaaaaaaaaaaaaa +\n" |
| 6123 | " \"aaaaaaaaaaaaaaaa: \" + aaaaaaaaaaaaaaaa;" ); |
| 6124 | verifyFormat("string v = StrCat(\"aaaaaaaaaaaaaaaa: \", aaaaaaaaaaaaaaaa,\n" |
| 6125 | " \"aaaaaaaaaaaaaaaa: \", aaaaaaaaaaaaaaaa,\n" |
| 6126 | " \"aaaaaaaaaaaaaaaa: \", aaaaaaaaaaaaaaaa);" ); |
| 6127 | verifyFormat("string v = \"aaaaaaaaaaaaaaaa: \" +\n" |
| 6128 | " (aaaa + aaaa);" , |
| 6129 | getLLVMStyleWithColumns(40)); |
| 6130 | verifyFormat("string v = StrCat(\"aaaaaaaaaaaa: \" +\n" |
| 6131 | " (aaaaaaa + aaaaa));" , |
| 6132 | getLLVMStyleWithColumns(40)); |
| 6133 | verifyFormat( |
| 6134 | "string v = StrCat(\"aaaaaaaaaaaaaaaaaaaaaaaaaaa: \",\n" |
| 6135 | " SomeFunction(aaaaaaaaaaaa, aaaaaaaa.aaaaaaa),\n" |
| 6136 | " bbbbbbbbbbbbbbbbbbbbbbb);" ); |
| 6137 | } |
| 6138 | |
| 6139 | TEST_F(FormatTest, UnderstandsEquals) { |
| 6140 | verifyFormat( |
| 6141 | "aaaaaaaaaaaaaaaaa =\n" |
| 6142 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 6143 | verifyFormat( |
| 6144 | "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 6145 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}" ); |
| 6146 | verifyFormat( |
| 6147 | "if (a) {\n" |
| 6148 | " f();\n" |
| 6149 | "} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 6150 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| 6151 | "}" ); |
| 6152 | |
| 6153 | verifyFormat("if (int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 6154 | " 100000000 + 10000000) {\n}" ); |
| 6155 | } |
| 6156 | |
| 6157 | TEST_F(FormatTest, WrapsAtFunctionCallsIfNecessary) { |
| 6158 | verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n" |
| 6159 | " .looooooooooooooooooooooooooooooooooooooongFunction();" ); |
| 6160 | |
| 6161 | verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n" |
| 6162 | " ->looooooooooooooooooooooooooooooooooooooongFunction();" ); |
| 6163 | |
| 6164 | verifyFormat( |
| 6165 | "LooooooooooooooooooooooooooooooooongObject->shortFunction(Parameter1,\n" |
| 6166 | " Parameter2);" ); |
| 6167 | |
| 6168 | verifyFormat( |
| 6169 | "ShortObject->shortFunction(\n" |
| 6170 | " LooooooooooooooooooooooooooooooooooooooooooooooongParameter1,\n" |
| 6171 | " LooooooooooooooooooooooooooooooooooooooooooooooongParameter2);" ); |
| 6172 | |
| 6173 | verifyFormat("loooooooooooooongFunction(\n" |
| 6174 | " LoooooooooooooongObject->looooooooooooooooongFunction());" ); |
| 6175 | |
| 6176 | verifyFormat( |
| 6177 | "function(LoooooooooooooooooooooooooooooooooooongObject\n" |
| 6178 | " ->loooooooooooooooooooooooooooooooooooooooongFunction());" ); |
| 6179 | |
| 6180 | verifyFormat("EXPECT_CALL(SomeObject, SomeFunction(Parameter))\n" |
| 6181 | " .WillRepeatedly(Return(SomeValue));" ); |
| 6182 | verifyFormat("void f() {\n" |
| 6183 | " EXPECT_CALL(SomeObject, SomeFunction(Parameter))\n" |
| 6184 | " .Times(2)\n" |
| 6185 | " .WillRepeatedly(Return(SomeValue));\n" |
| 6186 | "}" ); |
| 6187 | verifyFormat("SomeMap[std::pair(aaaaaaaaaaaa, bbbbbbbbbbbbbbb)].insert(\n" |
| 6188 | " ccccccccccccccccccccccc);" ); |
| 6189 | verifyFormat("aaaaa(aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6190 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6191 | " .aaaaa(aaaaa),\n" |
| 6192 | " aaaaaaaaaaaaaaaaaaaaa);" ); |
| 6193 | verifyFormat("void f() {\n" |
| 6194 | " aaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6195 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa)->aaaaaaaaa());\n" |
| 6196 | "}" ); |
| 6197 | verifyFormat("aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6198 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6199 | " .aaaaaaaaaaaaaaa(aa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6200 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6201 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa));" ); |
| 6202 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6203 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6204 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6205 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()) {\n" |
| 6206 | "}" ); |
| 6207 | |
| 6208 | // Here, it is not necessary to wrap at "." or "->". |
| 6209 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaa) ||\n" |
| 6210 | " aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}" ); |
| 6211 | verifyFormat( |
| 6212 | "aaaaaaaaaaa->aaaaaaaaa(\n" |
| 6213 | " aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6214 | " aaaaaaaaaaaaaaaaaa->aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa));\n" ); |
| 6215 | |
| 6216 | verifyFormat( |
| 6217 | "aaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6218 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa().aaaaaaaaaaaaaaaaa());" ); |
| 6219 | verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() *\n" |
| 6220 | " aaaaaaaaa()->aaaaaa()->aaaaa());" ); |
| 6221 | verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() ||\n" |
| 6222 | " aaaaaaaaa()->aaaaaa()->aaaaa());" ); |
| 6223 | |
| 6224 | verifyFormat("aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6225 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6226 | " .a();" ); |
| 6227 | |
| 6228 | FormatStyle NoBinPacking = getLLVMStyle(); |
| 6229 | NoBinPacking.BinPackParameters = false; |
| 6230 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n" |
| 6231 | " .aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n" |
| 6232 | " .aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa,\n" |
| 6233 | " aaaaaaaaaaaaaaaaaaa,\n" |
| 6234 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 6235 | NoBinPacking); |
| 6236 | |
| 6237 | // If there is a subsequent call, change to hanging indentation. |
| 6238 | verifyFormat( |
| 6239 | "aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6240 | " aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa))\n" |
| 6241 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6242 | verifyFormat( |
| 6243 | "aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6244 | " aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa));" ); |
| 6245 | verifyFormat("aaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6246 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6247 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6248 | verifyFormat("aaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6249 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 6250 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa());" ); |
| 6251 | } |
| 6252 | |
| 6253 | TEST_F(FormatTest, WrapsTemplateDeclarations) { |
| 6254 | verifyFormat("template <typename T>\n" |
| 6255 | "virtual void loooooooooooongFunction(int Param1, int Param2);" ); |
| 6256 | verifyFormat("template <typename T>\n" |
| 6257 | "// T should be one of {A, B}.\n" |
| 6258 | "virtual void loooooooooooongFunction(int Param1, int Param2);" ); |
| 6259 | verifyFormat( |
| 6260 | "template <typename T>\n" |
| 6261 | "using comment_to_xml_conversion = comment_to_xml_conversion<T, int>;" ); |
| 6262 | verifyFormat("template <typename T>\n" |
| 6263 | "void f(int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram1,\n" |
| 6264 | " int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram2);" ); |
| 6265 | verifyFormat( |
| 6266 | "template <typename T>\n" |
| 6267 | "void looooooooooooooooooooongFunction(int Paaaaaaaaaaaaaaaaaaaaram1,\n" |
| 6268 | " int Paaaaaaaaaaaaaaaaaaaaram2);" ); |
| 6269 | verifyFormat( |
| 6270 | "template <typename T>\n" |
| 6271 | "aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaa,\n" |
| 6272 | " aaaaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaaaaa,\n" |
| 6273 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6274 | verifyFormat("template <typename T>\n" |
| 6275 | "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6276 | " int aaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6277 | verifyFormat( |
| 6278 | "template <typename T1, typename T2 = char, typename T3 = char,\n" |
| 6279 | " typename T4 = char>\n" |
| 6280 | "void f();" ); |
| 6281 | verifyFormat("template <typename aaaaaaaaaaa, typename bbbbbbbbbbbbb,\n" |
| 6282 | " template <typename> class cccccccccccccccccccccc,\n" |
| 6283 | " typename ddddddddddddd>\n" |
| 6284 | "class C {};" ); |
| 6285 | verifyFormat( |
| 6286 | "aaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa>(\n" |
| 6287 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6288 | |
| 6289 | verifyFormat("void f() {\n" |
| 6290 | " a<aaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaa>(\n" |
| 6291 | " a(aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));\n" |
| 6292 | "}" ); |
| 6293 | |
| 6294 | verifyFormat("template <typename T> class C {};" ); |
| 6295 | verifyFormat("template <typename T> void f();" ); |
| 6296 | verifyFormat("template <typename T> void f() {}" ); |
| 6297 | verifyFormat( |
| 6298 | "aaaaaaaaaaaaa<aaaaaaaaaa, aaaaaaaaaaa,\n" |
| 6299 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6300 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa> *aaaa =\n" |
| 6301 | " new aaaaaaaaaaaaa<aaaaaaaaaa, aaaaaaaaaaa,\n" |
| 6302 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6303 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>(\n" |
| 6304 | " bbbbbbbbbbbbbbbbbbbbbbbb);" , |
| 6305 | getLLVMStyleWithColumns(72)); |
| 6306 | EXPECT_EQ("static_cast<A< //\n" |
| 6307 | " B> *>(\n" |
| 6308 | "\n" |
| 6309 | ");" , |
| 6310 | format("static_cast<A<//\n" |
| 6311 | " B>*>(\n" |
| 6312 | "\n" |
| 6313 | " );" )); |
| 6314 | verifyFormat("int aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6315 | " const typename aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaa);" ); |
| 6316 | |
| 6317 | FormatStyle AlwaysBreak = getLLVMStyle(); |
| 6318 | AlwaysBreak.AlwaysBreakTemplateDeclarations = FormatStyle::BTDS_Yes; |
| 6319 | verifyFormat("template <typename T>\nclass C {};" , AlwaysBreak); |
| 6320 | verifyFormat("template <typename T>\nvoid f();" , AlwaysBreak); |
| 6321 | verifyFormat("template <typename T>\nvoid f() {}" , AlwaysBreak); |
| 6322 | verifyFormat("void aaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6323 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbb>(\n" |
| 6324 | " ccccccccccccccccccccccccccccccccccccccccccccccc);" ); |
| 6325 | verifyFormat("template <template <typename> class Fooooooo,\n" |
| 6326 | " template <typename> class Baaaaaaar>\n" |
| 6327 | "struct C {};" , |
| 6328 | AlwaysBreak); |
| 6329 | verifyFormat("template <typename T> // T can be A, B or C.\n" |
| 6330 | "struct C {};" , |
| 6331 | AlwaysBreak); |
| 6332 | verifyFormat("template <enum E> class A {\n" |
| 6333 | "public:\n" |
| 6334 | " E *f();\n" |
| 6335 | "};" ); |
| 6336 | |
| 6337 | FormatStyle NeverBreak = getLLVMStyle(); |
| 6338 | NeverBreak.AlwaysBreakTemplateDeclarations = FormatStyle::BTDS_No; |
| 6339 | verifyFormat("template <typename T> class C {};" , NeverBreak); |
| 6340 | verifyFormat("template <typename T> void f();" , NeverBreak); |
| 6341 | verifyFormat("template <typename T> void f() {}" , NeverBreak); |
| 6342 | verifyFormat("template <typename T>\nvoid foo(aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbb) {}" , |
| 6343 | NeverBreak); |
| 6344 | verifyFormat("void aaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6345 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbb>(\n" |
| 6346 | " ccccccccccccccccccccccccccccccccccccccccccccccc);" , |
| 6347 | NeverBreak); |
| 6348 | verifyFormat("template <template <typename> class Fooooooo,\n" |
| 6349 | " template <typename> class Baaaaaaar>\n" |
| 6350 | "struct C {};" , |
| 6351 | NeverBreak); |
| 6352 | verifyFormat("template <typename T> // T can be A, B or C.\n" |
| 6353 | "struct C {};" , |
| 6354 | NeverBreak); |
| 6355 | verifyFormat("template <enum E> class A {\n" |
| 6356 | "public:\n" |
| 6357 | " E *f();\n" |
| 6358 | "};" , NeverBreak); |
| 6359 | NeverBreak.PenaltyBreakTemplateDeclaration = 100; |
| 6360 | verifyFormat("template <typename T> void\nfoo(aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbb) {}" , |
| 6361 | NeverBreak); |
| 6362 | } |
| 6363 | |
| 6364 | TEST_F(FormatTest, WrapsTemplateDeclarationsWithComments) { |
| 6365 | FormatStyle Style = getGoogleStyle(FormatStyle::LK_Cpp); |
| 6366 | Style.ColumnLimit = 60; |
| 6367 | EXPECT_EQ("// Baseline - no comments.\n" |
| 6368 | "template <\n" |
| 6369 | " typename aaaaaaaaaaaaaaaaaaaaaa<bbbbbbbbbbbb>::value>\n" |
| 6370 | "void f() {}" , |
| 6371 | format("// Baseline - no comments.\n" |
| 6372 | "template <\n" |
| 6373 | " typename aaaaaaaaaaaaaaaaaaaaaa<bbbbbbbbbbbb>::value>\n" |
| 6374 | "void f() {}" , |
| 6375 | Style)); |
| 6376 | |
| 6377 | EXPECT_EQ("template <\n" |
| 6378 | " typename aaaaaaaaaa<bbbbbbbbbbbb>::value> // trailing\n" |
| 6379 | "void f() {}" , |
| 6380 | format("template <\n" |
| 6381 | " typename aaaaaaaaaa<bbbbbbbbbbbb>::value> // trailing\n" |
| 6382 | "void f() {}" , |
| 6383 | Style)); |
| 6384 | |
| 6385 | EXPECT_EQ( |
| 6386 | "template <\n" |
| 6387 | " typename aaaaaaaaaa<bbbbbbbbbbbb>::value> /* line */\n" |
| 6388 | "void f() {}" , |
| 6389 | format("template <typename aaaaaaaaaa<bbbbbbbbbbbb>::value> /* line */\n" |
| 6390 | "void f() {}" , |
| 6391 | Style)); |
| 6392 | |
| 6393 | EXPECT_EQ( |
| 6394 | "template <\n" |
| 6395 | " typename aaaaaaaaaa<bbbbbbbbbbbb>::value> // trailing\n" |
| 6396 | " // multiline\n" |
| 6397 | "void f() {}" , |
| 6398 | format("template <\n" |
| 6399 | " typename aaaaaaaaaa<bbbbbbbbbbbb>::value> // trailing\n" |
| 6400 | " // multiline\n" |
| 6401 | "void f() {}" , |
| 6402 | Style)); |
| 6403 | |
| 6404 | EXPECT_EQ( |
| 6405 | "template <typename aaaaaaaaaa<\n" |
| 6406 | " bbbbbbbbbbbb>::value> // trailing loooong\n" |
| 6407 | "void f() {}" , |
| 6408 | format( |
| 6409 | "template <\n" |
| 6410 | " typename aaaaaaaaaa<bbbbbbbbbbbb>::value> // trailing loooong\n" |
| 6411 | "void f() {}" , |
| 6412 | Style)); |
| 6413 | } |
| 6414 | |
| 6415 | TEST_F(FormatTest, WrapsTemplateParameters) { |
| 6416 | FormatStyle Style = getLLVMStyle(); |
| 6417 | Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign; |
| 6418 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_None; |
| 6419 | verifyFormat( |
| 6420 | "template <typename... a> struct q {};\n" |
| 6421 | "extern q<aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa,\n" |
| 6422 | " aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa>\n" |
| 6423 | " y;" , |
| 6424 | Style); |
| 6425 | Style.AlignAfterOpenBracket = FormatStyle::BAS_DontAlign; |
| 6426 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All; |
| 6427 | verifyFormat( |
| 6428 | "template <typename... a> struct r {};\n" |
| 6429 | "extern r<aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa,\n" |
| 6430 | " aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa>\n" |
| 6431 | " y;" , |
| 6432 | Style); |
| 6433 | Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak; |
| 6434 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_None; |
| 6435 | verifyFormat( |
| 6436 | "template <typename... a> struct s {};\n" |
| 6437 | "extern s<\n" |
| 6438 | " aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6439 | " aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa>\n" |
| 6440 | " y;" , |
| 6441 | Style); |
| 6442 | Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak; |
| 6443 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All; |
| 6444 | verifyFormat( |
| 6445 | "template <typename... a> struct t {};\n" |
| 6446 | "extern t<\n" |
| 6447 | " aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6448 | " aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa>\n" |
| 6449 | " y;" , |
| 6450 | Style); |
| 6451 | } |
| 6452 | |
| 6453 | TEST_F(FormatTest, WrapsAtNestedNameSpecifiers) { |
| 6454 | verifyFormat( |
| 6455 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" |
| 6456 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6457 | verifyFormat( |
| 6458 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" |
| 6459 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6460 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa());" ); |
| 6461 | |
| 6462 | // FIXME: Should we have the extra indent after the second break? |
| 6463 | verifyFormat( |
| 6464 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" |
| 6465 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" |
| 6466 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6467 | |
| 6468 | verifyFormat( |
| 6469 | "aaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb::\n" |
| 6470 | " cccccccccccccccccccccccccccccccccccccccccccccc());" ); |
| 6471 | |
| 6472 | // Breaking at nested name specifiers is generally not desirable. |
| 6473 | verifyFormat( |
| 6474 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6475 | " aaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6476 | |
| 6477 | verifyFormat( |
| 6478 | "aaaaaaaaaaaaaaaaaa(aaaaaaaa,\n" |
| 6479 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" |
| 6480 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 6481 | " aaaaaaaaaaaaaaaaaaaaa);" , |
| 6482 | getLLVMStyleWithColumns(74)); |
| 6483 | |
| 6484 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n" |
| 6485 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6486 | " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6487 | } |
| 6488 | |
| 6489 | TEST_F(FormatTest, UnderstandsTemplateParameters) { |
| 6490 | verifyFormat("A<int> a;" ); |
| 6491 | verifyFormat("A<A<A<int>>> a;" ); |
| 6492 | verifyFormat("A<A<A<int, 2>, 3>, 4> a;" ); |
| 6493 | verifyFormat("bool x = a < 1 || 2 > a;" ); |
| 6494 | verifyFormat("bool x = 5 < f<int>();" ); |
| 6495 | verifyFormat("bool x = f<int>() > 5;" ); |
| 6496 | verifyFormat("bool x = 5 < a<int>::x;" ); |
| 6497 | verifyFormat("bool x = a < 4 ? a > 2 : false;" ); |
| 6498 | verifyFormat("bool x = f() ? a < 2 : a > 2;" ); |
| 6499 | |
| 6500 | verifyGoogleFormat("A<A<int>> a;" ); |
| 6501 | verifyGoogleFormat("A<A<A<int>>> a;" ); |
| 6502 | verifyGoogleFormat("A<A<A<A<int>>>> a;" ); |
| 6503 | verifyGoogleFormat("A<A<int> > a;" ); |
| 6504 | verifyGoogleFormat("A<A<A<int> > > a;" ); |
| 6505 | verifyGoogleFormat("A<A<A<A<int> > > > a;" ); |
| 6506 | verifyGoogleFormat("A<::A<int>> a;" ); |
| 6507 | verifyGoogleFormat("A<::A> a;" ); |
| 6508 | verifyGoogleFormat("A< ::A> a;" ); |
| 6509 | verifyGoogleFormat("A< ::A<int> > a;" ); |
| 6510 | EXPECT_EQ("A<A<A<A>>> a;" , format("A<A<A<A> >> a;" , getGoogleStyle())); |
| 6511 | EXPECT_EQ("A<A<A<A>>> a;" , format("A<A<A<A>> > a;" , getGoogleStyle())); |
| 6512 | EXPECT_EQ("A<::A<int>> a;" , format("A< ::A<int>> a;" , getGoogleStyle())); |
| 6513 | EXPECT_EQ("A<::A<int>> a;" , format("A<::A<int> > a;" , getGoogleStyle())); |
| 6514 | EXPECT_EQ("auto x = [] { A<A<A<A>>> a; };" , |
| 6515 | format("auto x=[]{A<A<A<A> >> a;};" , getGoogleStyle())); |
| 6516 | |
| 6517 | verifyFormat("A<A>> a;" , getChromiumStyle(FormatStyle::LK_Cpp)); |
| 6518 | |
| 6519 | verifyFormat("test >> a >> b;" ); |
| 6520 | verifyFormat("test << a >> b;" ); |
| 6521 | |
| 6522 | verifyFormat("f<int>();" ); |
| 6523 | verifyFormat("template <typename T> void f() {}" ); |
| 6524 | verifyFormat("struct A<std::enable_if<sizeof(T2) < sizeof(int32)>::type>;" ); |
| 6525 | verifyFormat("struct A<std::enable_if<sizeof(T2) ? sizeof(int32) : " |
| 6526 | "sizeof(char)>::type>;" ); |
| 6527 | verifyFormat("template <class T> struct S<std::is_arithmetic<T>{}> {};" ); |
| 6528 | verifyFormat("f(a.operator()<A>());" ); |
| 6529 | verifyFormat("f(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 6530 | " .template operator()<A>());" , |
| 6531 | getLLVMStyleWithColumns(35)); |
| 6532 | |
| 6533 | // Not template parameters. |
| 6534 | verifyFormat("return a < b && c > d;" ); |
| 6535 | verifyFormat("void f() {\n" |
| 6536 | " while (a < b && c > d) {\n" |
| 6537 | " }\n" |
| 6538 | "}" ); |
| 6539 | verifyFormat("template <typename... Types>\n" |
| 6540 | "typename enable_if<0 < sizeof...(Types)>::type Foo() {}" ); |
| 6541 | |
| 6542 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6543 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa >> aaaaa);" , |
| 6544 | getLLVMStyleWithColumns(60)); |
| 6545 | verifyFormat("static_assert(is_convertible<A &&, B>::value, \"AAA\");" ); |
| 6546 | verifyFormat("Constructor(A... a) : a_(X<A>{std::forward<A>(a)}...) {}" ); |
| 6547 | verifyFormat("< < < < < < < < < < < < < < < < < < < < < < < < < < < < < <" ); |
| 6548 | } |
| 6549 | |
| 6550 | TEST_F(FormatTest, BitshiftOperatorWidth) { |
| 6551 | EXPECT_EQ("int a = 1 << 2; /* foo\n" |
| 6552 | " bar */" , |
| 6553 | format("int a=1<<2; /* foo\n" |
| 6554 | " bar */" )); |
| 6555 | |
| 6556 | EXPECT_EQ("int b = 256 >> 1; /* foo\n" |
| 6557 | " bar */" , |
| 6558 | format("int b =256>>1 ; /* foo\n" |
| 6559 | " bar */" )); |
| 6560 | } |
| 6561 | |
| 6562 | TEST_F(FormatTest, UnderstandsBinaryOperators) { |
| 6563 | verifyFormat("COMPARE(a, ==, b);" ); |
| 6564 | verifyFormat("auto s = sizeof...(Ts) - 1;" ); |
| 6565 | } |
| 6566 | |
| 6567 | TEST_F(FormatTest, UnderstandsPointersToMembers) { |
| 6568 | verifyFormat("int A::*x;" ); |
| 6569 | verifyFormat("int (S::*func)(void *);" ); |
| 6570 | verifyFormat("void f() { int (S::*func)(void *); }" ); |
| 6571 | verifyFormat("typedef bool *(Class::*Member)() const;" ); |
| 6572 | verifyFormat("void f() {\n" |
| 6573 | " (a->*f)();\n" |
| 6574 | " a->*x;\n" |
| 6575 | " (a.*f)();\n" |
| 6576 | " ((*a).*f)();\n" |
| 6577 | " a.*x;\n" |
| 6578 | "}" ); |
| 6579 | verifyFormat("void f() {\n" |
| 6580 | " (a->*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)(\n" |
| 6581 | " aaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);\n" |
| 6582 | "}" ); |
| 6583 | verifyFormat( |
| 6584 | "(aaaaaaaaaa->*bbbbbbb)(\n" |
| 6585 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa));" ); |
| 6586 | FormatStyle Style = getLLVMStyle(); |
| 6587 | Style.PointerAlignment = FormatStyle::PAS_Left; |
| 6588 | verifyFormat("typedef bool* (Class::*Member)() const;" , Style); |
| 6589 | } |
| 6590 | |
| 6591 | TEST_F(FormatTest, UnderstandsUnaryOperators) { |
| 6592 | verifyFormat("int a = -2;" ); |
| 6593 | verifyFormat("f(-1, -2, -3);" ); |
| 6594 | verifyFormat("a[-1] = 5;" ); |
| 6595 | verifyFormat("int a = 5 + -2;" ); |
| 6596 | verifyFormat("if (i == -1) {\n}" ); |
| 6597 | verifyFormat("if (i != -1) {\n}" ); |
| 6598 | verifyFormat("if (i > -1) {\n}" ); |
| 6599 | verifyFormat("if (i < -1) {\n}" ); |
| 6600 | verifyFormat("++(a->f());" ); |
| 6601 | verifyFormat("--(a->f());" ); |
| 6602 | verifyFormat("(a->f())++;" ); |
| 6603 | verifyFormat("a[42]++;" ); |
| 6604 | verifyFormat("if (!(a->f())) {\n}" ); |
| 6605 | verifyFormat("if (!+i) {\n}" ); |
| 6606 | verifyFormat("~&a;" ); |
| 6607 | |
| 6608 | verifyFormat("a-- > b;" ); |
| 6609 | verifyFormat("b ? -a : c;" ); |
| 6610 | verifyFormat("n * sizeof char16;" ); |
| 6611 | verifyFormat("n * alignof char16;" , getGoogleStyle()); |
| 6612 | verifyFormat("sizeof(char);" ); |
| 6613 | verifyFormat("alignof(char);" , getGoogleStyle()); |
| 6614 | |
| 6615 | verifyFormat("return -1;" ); |
| 6616 | verifyFormat("switch (a) {\n" |
| 6617 | "case -1:\n" |
| 6618 | " break;\n" |
| 6619 | "}" ); |
| 6620 | verifyFormat("#define X -1" ); |
| 6621 | verifyFormat("#define X -kConstant" ); |
| 6622 | |
| 6623 | verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = {-5, +3};" ); |
| 6624 | verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = {+5, -3};" ); |
| 6625 | |
| 6626 | verifyFormat("int a = /* confusing comment */ -1;" ); |
| 6627 | // FIXME: The space after 'i' is wrong, but hopefully, this is a rare case. |
| 6628 | verifyFormat("int a = i /* confusing comment */++;" ); |
| 6629 | } |
| 6630 | |
| 6631 | TEST_F(FormatTest, DoesNotIndentRelativeToUnaryOperators) { |
| 6632 | verifyFormat("if (!aaaaaaaaaa( // break\n" |
| 6633 | " aaaaa)) {\n" |
| 6634 | "}" ); |
| 6635 | verifyFormat("aaaaaaaaaa(!aaaaaaaaaa( // break\n" |
| 6636 | " aaaaa));" ); |
| 6637 | verifyFormat("*aaa = aaaaaaa( // break\n" |
| 6638 | " bbbbbb);" ); |
| 6639 | } |
| 6640 | |
| 6641 | TEST_F(FormatTest, UnderstandsOverloadedOperators) { |
| 6642 | verifyFormat("bool operator<();" ); |
| 6643 | verifyFormat("bool operator>();" ); |
| 6644 | verifyFormat("bool operator=();" ); |
| 6645 | verifyFormat("bool operator==();" ); |
| 6646 | verifyFormat("bool operator!=();" ); |
| 6647 | verifyFormat("int operator+();" ); |
| 6648 | verifyFormat("int operator++();" ); |
| 6649 | verifyFormat("int operator++(int) volatile noexcept;" ); |
| 6650 | verifyFormat("bool operator,();" ); |
| 6651 | verifyFormat("bool operator();" ); |
| 6652 | verifyFormat("bool operator()();" ); |
| 6653 | verifyFormat("bool operator[]();" ); |
| 6654 | verifyFormat("operator bool();" ); |
| 6655 | verifyFormat("operator int();" ); |
| 6656 | verifyFormat("operator void *();" ); |
| 6657 | verifyFormat("operator SomeType<int>();" ); |
| 6658 | verifyFormat("operator SomeType<int, int>();" ); |
| 6659 | verifyFormat("operator SomeType<SomeType<int>>();" ); |
| 6660 | verifyFormat("void *operator new(std::size_t size);" ); |
| 6661 | verifyFormat("void *operator new[](std::size_t size);" ); |
| 6662 | verifyFormat("void operator delete(void *ptr);" ); |
| 6663 | verifyFormat("void operator delete[](void *ptr);" ); |
| 6664 | verifyFormat("template <typename AAAAAAA, typename BBBBBBB>\n" |
| 6665 | "AAAAAAA operator/(const AAAAAAA &a, BBBBBBB &b);" ); |
| 6666 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaa operator,(\n" |
| 6667 | " aaaaaaaaaaaaaaaaaaaaa &aaaaaaaaaaaaaaaaaaaaaaaaaa) const;" ); |
| 6668 | |
| 6669 | verifyFormat( |
| 6670 | "ostream &operator<<(ostream &OutputStream,\n" |
| 6671 | " SomeReallyLongType WithSomeReallyLongValue);" ); |
| 6672 | verifyFormat("bool operator<(const aaaaaaaaaaaaaaaaaaaaa &left,\n" |
| 6673 | " const aaaaaaaaaaaaaaaaaaaaa &right) {\n" |
| 6674 | " return left.group < right.group;\n" |
| 6675 | "}" ); |
| 6676 | verifyFormat("SomeType &operator=(const SomeType &S);" ); |
| 6677 | verifyFormat("f.template operator()<int>();" ); |
| 6678 | |
| 6679 | verifyGoogleFormat("operator void*();" ); |
| 6680 | verifyGoogleFormat("operator SomeType<SomeType<int>>();" ); |
| 6681 | verifyGoogleFormat("operator ::A();" ); |
| 6682 | |
| 6683 | verifyFormat("using A::operator+;" ); |
| 6684 | verifyFormat("inline A operator^(const A &lhs, const A &rhs) {}\n" |
| 6685 | "int i;" ); |
| 6686 | } |
| 6687 | |
| 6688 | TEST_F(FormatTest, UnderstandsFunctionRefQualification) { |
| 6689 | verifyFormat("Deleted &operator=(const Deleted &) & = default;" ); |
| 6690 | verifyFormat("Deleted &operator=(const Deleted &) && = delete;" ); |
| 6691 | verifyFormat("SomeType MemberFunction(const Deleted &) & = delete;" ); |
| 6692 | verifyFormat("SomeType MemberFunction(const Deleted &) && = delete;" ); |
| 6693 | verifyFormat("Deleted &operator=(const Deleted &) &;" ); |
| 6694 | verifyFormat("Deleted &operator=(const Deleted &) &&;" ); |
| 6695 | verifyFormat("SomeType MemberFunction(const Deleted &) &;" ); |
| 6696 | verifyFormat("SomeType MemberFunction(const Deleted &) &&;" ); |
| 6697 | verifyFormat("SomeType MemberFunction(const Deleted &) && {}" ); |
| 6698 | verifyFormat("SomeType MemberFunction(const Deleted &) && final {}" ); |
| 6699 | verifyFormat("SomeType MemberFunction(const Deleted &) && override {}" ); |
| 6700 | verifyFormat("void Fn(T const &) const &;" ); |
| 6701 | verifyFormat("void Fn(T const volatile &&) const volatile &&;" ); |
| 6702 | verifyFormat("template <typename T>\n" |
| 6703 | "void F(T) && = delete;" , |
| 6704 | getGoogleStyle()); |
| 6705 | |
| 6706 | FormatStyle AlignLeft = getLLVMStyle(); |
| 6707 | AlignLeft.PointerAlignment = FormatStyle::PAS_Left; |
| 6708 | verifyFormat("void A::b() && {}" , AlignLeft); |
| 6709 | verifyFormat("Deleted& operator=(const Deleted&) & = default;" , AlignLeft); |
| 6710 | verifyFormat("SomeType MemberFunction(const Deleted&) & = delete;" , |
| 6711 | AlignLeft); |
| 6712 | verifyFormat("Deleted& operator=(const Deleted&) &;" , AlignLeft); |
| 6713 | verifyFormat("SomeType MemberFunction(const Deleted&) &;" , AlignLeft); |
| 6714 | verifyFormat("auto Function(T t) & -> void {}" , AlignLeft); |
| 6715 | verifyFormat("auto Function(T... t) & -> void {}" , AlignLeft); |
| 6716 | verifyFormat("auto Function(T) & -> void {}" , AlignLeft); |
| 6717 | verifyFormat("auto Function(T) & -> void;" , AlignLeft); |
| 6718 | verifyFormat("void Fn(T const&) const&;" , AlignLeft); |
| 6719 | verifyFormat("void Fn(T const volatile&&) const volatile&&;" , AlignLeft); |
| 6720 | |
| 6721 | FormatStyle Spaces = getLLVMStyle(); |
| 6722 | Spaces.SpacesInCStyleCastParentheses = true; |
| 6723 | verifyFormat("Deleted &operator=(const Deleted &) & = default;" , Spaces); |
| 6724 | verifyFormat("SomeType MemberFunction(const Deleted &) & = delete;" , Spaces); |
| 6725 | verifyFormat("Deleted &operator=(const Deleted &) &;" , Spaces); |
| 6726 | verifyFormat("SomeType MemberFunction(const Deleted &) &;" , Spaces); |
| 6727 | |
| 6728 | Spaces.SpacesInCStyleCastParentheses = false; |
| 6729 | Spaces.SpacesInParentheses = true; |
| 6730 | verifyFormat("Deleted &operator=( const Deleted & ) & = default;" , Spaces); |
| 6731 | verifyFormat("SomeType MemberFunction( const Deleted & ) & = delete;" , Spaces); |
| 6732 | verifyFormat("Deleted &operator=( const Deleted & ) &;" , Spaces); |
| 6733 | verifyFormat("SomeType MemberFunction( const Deleted & ) &;" , Spaces); |
| 6734 | } |
| 6735 | |
| 6736 | TEST_F(FormatTest, UnderstandsNewAndDelete) { |
| 6737 | verifyFormat("void f() {\n" |
| 6738 | " A *a = new A;\n" |
| 6739 | " A *a = new (placement) A;\n" |
| 6740 | " delete a;\n" |
| 6741 | " delete (A *)a;\n" |
| 6742 | "}" ); |
| 6743 | verifyFormat("new (aaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaa))\n" |
| 6744 | " typename aaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6745 | verifyFormat("auto aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 6746 | " new (aaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaa))\n" |
| 6747 | " typename aaaaaaaaaaaaaaaaaaaaaaaa();" ); |
| 6748 | verifyFormat("delete[] h->p;" ); |
| 6749 | } |
| 6750 | |
| 6751 | TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) { |
| 6752 | verifyFormat("int *f(int *a) {}" ); |
| 6753 | verifyFormat("int main(int argc, char **argv) {}" ); |
| 6754 | verifyFormat("Test::Test(int b) : a(b * b) {}" ); |
| 6755 | verifyIndependentOfContext("f(a, *a);" ); |
| 6756 | verifyFormat("void g() { f(*a); }" ); |
| 6757 | verifyIndependentOfContext("int a = b * 10;" ); |
| 6758 | verifyIndependentOfContext("int a = 10 * b;" ); |
| 6759 | verifyIndependentOfContext("int a = b * c;" ); |
| 6760 | verifyIndependentOfContext("int a += b * c;" ); |
| 6761 | verifyIndependentOfContext("int a -= b * c;" ); |
| 6762 | verifyIndependentOfContext("int a *= b * c;" ); |
| 6763 | verifyIndependentOfContext("int a /= b * c;" ); |
| 6764 | verifyIndependentOfContext("int a = *b;" ); |
| 6765 | verifyIndependentOfContext("int a = *b * c;" ); |
| 6766 | verifyIndependentOfContext("int a = b * *c;" ); |
| 6767 | verifyIndependentOfContext("int a = b * (10);" ); |
| 6768 | verifyIndependentOfContext("S << b * (10);" ); |
| 6769 | verifyIndependentOfContext("return 10 * b;" ); |
| 6770 | verifyIndependentOfContext("return *b * *c;" ); |
| 6771 | verifyIndependentOfContext("return a & ~b;" ); |
| 6772 | verifyIndependentOfContext("f(b ? *c : *d);" ); |
| 6773 | verifyIndependentOfContext("int a = b ? *c : *d;" ); |
| 6774 | verifyIndependentOfContext("*b = a;" ); |
| 6775 | verifyIndependentOfContext("a * ~b;" ); |
| 6776 | verifyIndependentOfContext("a * !b;" ); |
| 6777 | verifyIndependentOfContext("a * +b;" ); |
| 6778 | verifyIndependentOfContext("a * -b;" ); |
| 6779 | verifyIndependentOfContext("a * ++b;" ); |
| 6780 | verifyIndependentOfContext("a * --b;" ); |
| 6781 | verifyIndependentOfContext("a[4] * b;" ); |
| 6782 | verifyIndependentOfContext("a[a * a] = 1;" ); |
| 6783 | verifyIndependentOfContext("f() * b;" ); |
| 6784 | verifyIndependentOfContext("a * [self dostuff];" ); |
| 6785 | verifyIndependentOfContext("int x = a * (a + b);" ); |
| 6786 | verifyIndependentOfContext("(a *)(a + b);" ); |
| 6787 | verifyIndependentOfContext("*(int *)(p & ~3UL) = 0;" ); |
| 6788 | verifyIndependentOfContext("int *pa = (int *)&a;" ); |
| 6789 | verifyIndependentOfContext("return sizeof(int **);" ); |
| 6790 | verifyIndependentOfContext("return sizeof(int ******);" ); |
| 6791 | verifyIndependentOfContext("return (int **&)a;" ); |
| 6792 | verifyIndependentOfContext("f((*PointerToArray)[10]);" ); |
| 6793 | verifyFormat("void f(Type (*parameter)[10]) {}" ); |
| 6794 | verifyFormat("void f(Type (¶meter)[10]) {}" ); |
| 6795 | verifyGoogleFormat("return sizeof(int**);" ); |
| 6796 | verifyIndependentOfContext("Type **A = static_cast<Type **>(P);" ); |
| 6797 | verifyGoogleFormat("Type** A = static_cast<Type**>(P);" ); |
| 6798 | verifyFormat("auto a = [](int **&, int ***) {};" ); |
| 6799 | verifyFormat("auto PointerBinding = [](const char *S) {};" ); |
| 6800 | verifyFormat("typedef typeof(int(int, int)) *MyFunc;" ); |
| 6801 | verifyFormat("[](const decltype(*a) &value) {}" ); |
| 6802 | verifyFormat("decltype(a * b) F();" ); |
| 6803 | verifyFormat("#define MACRO() [](A *a) { return 1; }" ); |
| 6804 | verifyFormat("Constructor() : member([](A *a, B *b) {}) {}" ); |
| 6805 | verifyIndependentOfContext("typedef void (*f)(int *a);" ); |
| 6806 | verifyIndependentOfContext("int i{a * b};" ); |
| 6807 | verifyIndependentOfContext("aaa && aaa->f();" ); |
| 6808 | verifyIndependentOfContext("int x = ~*p;" ); |
| 6809 | verifyFormat("Constructor() : a(a), area(width * height) {}" ); |
| 6810 | verifyFormat("Constructor() : a(a), area(a, width * height) {}" ); |
| 6811 | verifyGoogleFormat("MACRO Constructor(const int& i) : a(a), b(b) {}" ); |
| 6812 | verifyFormat("void f() { f(a, c * d); }" ); |
| 6813 | verifyFormat("void f() { f(new a(), c * d); }" ); |
| 6814 | verifyFormat("void f(const MyOverride &override);" ); |
| 6815 | verifyFormat("void f(const MyFinal &final);" ); |
| 6816 | verifyIndependentOfContext("bool a = f() && override.f();" ); |
| 6817 | verifyIndependentOfContext("bool a = f() && final.f();" ); |
| 6818 | |
| 6819 | verifyIndependentOfContext("InvalidRegions[*R] = 0;" ); |
| 6820 | |
| 6821 | verifyIndependentOfContext("A<int *> a;" ); |
| 6822 | verifyIndependentOfContext("A<int **> a;" ); |
| 6823 | verifyIndependentOfContext("A<int *, int *> a;" ); |
| 6824 | verifyIndependentOfContext("A<int *[]> a;" ); |
| 6825 | verifyIndependentOfContext( |
| 6826 | "const char *const p = reinterpret_cast<const char *const>(q);" ); |
| 6827 | verifyIndependentOfContext("A<int **, int **> a;" ); |
| 6828 | verifyIndependentOfContext("void f(int *a = d * e, int *b = c * d);" ); |
| 6829 | verifyFormat("for (char **a = b; *a; ++a) {\n}" ); |
| 6830 | verifyFormat("for (; a && b;) {\n}" ); |
| 6831 | verifyFormat("bool foo = true && [] { return false; }();" ); |
| 6832 | |
| 6833 | verifyFormat( |
| 6834 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 6835 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaa, *aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 6836 | |
| 6837 | verifyGoogleFormat("int const* a = &b;" ); |
| 6838 | verifyGoogleFormat("**outparam = 1;" ); |
| 6839 | verifyGoogleFormat("*outparam = a * b;" ); |
| 6840 | verifyGoogleFormat("int main(int argc, char** argv) {}" ); |
| 6841 | verifyGoogleFormat("A<int*> a;" ); |
| 6842 | verifyGoogleFormat("A<int**> a;" ); |
| 6843 | verifyGoogleFormat("A<int*, int*> a;" ); |
| 6844 | verifyGoogleFormat("A<int**, int**> a;" ); |
| 6845 | verifyGoogleFormat("f(b ? *c : *d);" ); |
| 6846 | verifyGoogleFormat("int a = b ? *c : *d;" ); |
| 6847 | verifyGoogleFormat("Type* t = **x;" ); |
| 6848 | verifyGoogleFormat("Type* t = *++*x;" ); |
| 6849 | verifyGoogleFormat("*++*x;" ); |
| 6850 | verifyGoogleFormat("Type* t = const_cast<T*>(&*x);" ); |
| 6851 | verifyGoogleFormat("Type* t = x++ * y;" ); |
| 6852 | verifyGoogleFormat( |
| 6853 | "const char* const p = reinterpret_cast<const char* const>(q);" ); |
| 6854 | verifyGoogleFormat("void f(int i = 0, SomeType** temps = NULL);" ); |
| 6855 | verifyGoogleFormat("void f(Bar* a = nullptr, Bar* b);" ); |
| 6856 | verifyGoogleFormat("template <typename T>\n" |
| 6857 | "void f(int i = 0, SomeType** temps = NULL);" ); |
| 6858 | |
| 6859 | FormatStyle Left = getLLVMStyle(); |
| 6860 | Left.PointerAlignment = FormatStyle::PAS_Left; |
| 6861 | verifyFormat("x = *a(x) = *a(y);" , Left); |
| 6862 | verifyFormat("for (;; *a = b) {\n}" , Left); |
| 6863 | verifyFormat("return *this += 1;" , Left); |
| 6864 | verifyFormat("throw *x;" , Left); |
| 6865 | verifyFormat("delete *x;" , Left); |
| 6866 | verifyFormat("typedef typeof(int(int, int))* MyFuncPtr;" , Left); |
| 6867 | verifyFormat("[](const decltype(*a)* ptr) {}" , Left); |
| 6868 | verifyFormat("typedef typeof /*comment*/ (int(int, int))* MyFuncPtr;" , Left); |
| 6869 | |
| 6870 | verifyIndependentOfContext("a = *(x + y);" ); |
| 6871 | verifyIndependentOfContext("a = &(x + y);" ); |
| 6872 | verifyIndependentOfContext("*(x + y).call();" ); |
| 6873 | verifyIndependentOfContext("&(x + y)->call();" ); |
| 6874 | verifyFormat("void f() { &(*I).first; }" ); |
| 6875 | |
| 6876 | verifyIndependentOfContext("f(b * /* confusing comment */ ++c);" ); |
| 6877 | verifyFormat( |
| 6878 | "int *MyValues = {\n" |
| 6879 | " *A, // Operator detection might be confused by the '{'\n" |
| 6880 | " *BB // Operator detection might be confused by previous comment\n" |
| 6881 | "};" ); |
| 6882 | |
| 6883 | verifyIndependentOfContext("if (int *a = &b)" ); |
| 6884 | verifyIndependentOfContext("if (int &a = *b)" ); |
| 6885 | verifyIndependentOfContext("if (a & b[i])" ); |
| 6886 | verifyIndependentOfContext("if (a::b::c::d & b[i])" ); |
| 6887 | verifyIndependentOfContext("if (*b[i])" ); |
| 6888 | verifyIndependentOfContext("if (int *a = (&b))" ); |
| 6889 | verifyIndependentOfContext("while (int *a = &b)" ); |
| 6890 | verifyIndependentOfContext("size = sizeof *a;" ); |
| 6891 | verifyIndependentOfContext("if (a && (b = c))" ); |
| 6892 | verifyFormat("void f() {\n" |
| 6893 | " for (const int &v : Values) {\n" |
| 6894 | " }\n" |
| 6895 | "}" ); |
| 6896 | verifyFormat("for (int i = a * a; i < 10; ++i) {\n}" ); |
| 6897 | verifyFormat("for (int i = 0; i < a * a; ++i) {\n}" ); |
| 6898 | verifyGoogleFormat("for (int i = 0; i * 2 < z; i *= 2) {\n}" ); |
| 6899 | |
| 6900 | verifyFormat("#define A (!a * b)" ); |
| 6901 | verifyFormat("#define MACRO \\\n" |
| 6902 | " int *i = a * b; \\\n" |
| 6903 | " void f(a *b);" , |
| 6904 | getLLVMStyleWithColumns(19)); |
| 6905 | |
| 6906 | verifyIndependentOfContext("A = new SomeType *[Length];" ); |
| 6907 | verifyIndependentOfContext("A = new SomeType *[Length]();" ); |
| 6908 | verifyIndependentOfContext("T **t = new T *;" ); |
| 6909 | verifyIndependentOfContext("T **t = new T *();" ); |
| 6910 | verifyGoogleFormat("A = new SomeType*[Length]();" ); |
| 6911 | verifyGoogleFormat("A = new SomeType*[Length];" ); |
| 6912 | verifyGoogleFormat("T** t = new T*;" ); |
| 6913 | verifyGoogleFormat("T** t = new T*();" ); |
| 6914 | |
| 6915 | verifyFormat("STATIC_ASSERT((a & b) == 0);" ); |
| 6916 | verifyFormat("STATIC_ASSERT(0 == (a & b));" ); |
| 6917 | verifyFormat("template <bool a, bool b> " |
| 6918 | "typename t::if<x && y>::type f() {}" ); |
| 6919 | verifyFormat("template <int *y> f() {}" ); |
| 6920 | verifyFormat("vector<int *> v;" ); |
| 6921 | verifyFormat("vector<int *const> v;" ); |
| 6922 | verifyFormat("vector<int *const **const *> v;" ); |
| 6923 | verifyFormat("vector<int *volatile> v;" ); |
| 6924 | verifyFormat("vector<a * b> v;" ); |
| 6925 | verifyFormat("foo<b && false>();" ); |
| 6926 | verifyFormat("foo<b & 1>();" ); |
| 6927 | verifyFormat("decltype(*::std::declval<const T &>()) void F();" ); |
| 6928 | verifyFormat( |
| 6929 | "template <class T, class = typename std::enable_if<\n" |
| 6930 | " std::is_integral<T>::value &&\n" |
| 6931 | " (sizeof(T) > 1 || sizeof(T) < 8)>::type>\n" |
| 6932 | "void F();" , |
| 6933 | getLLVMStyleWithColumns(70)); |
| 6934 | verifyFormat( |
| 6935 | "template <class T,\n" |
| 6936 | " class = typename std::enable_if<\n" |
| 6937 | " std::is_integral<T>::value &&\n" |
| 6938 | " (sizeof(T) > 1 || sizeof(T) < 8)>::type,\n" |
| 6939 | " class U>\n" |
| 6940 | "void F();" , |
| 6941 | getLLVMStyleWithColumns(70)); |
| 6942 | verifyFormat( |
| 6943 | "template <class T,\n" |
| 6944 | " class = typename ::std::enable_if<\n" |
| 6945 | " ::std::is_array<T>{} && ::std::is_array<T>{}>::type>\n" |
| 6946 | "void F();" , |
| 6947 | getGoogleStyleWithColumns(68)); |
| 6948 | |
| 6949 | verifyIndependentOfContext("MACRO(int *i);" ); |
| 6950 | verifyIndependentOfContext("MACRO(auto *a);" ); |
| 6951 | verifyIndependentOfContext("MACRO(const A *a);" ); |
| 6952 | verifyIndependentOfContext("MACRO(A *const a);" ); |
| 6953 | verifyIndependentOfContext("MACRO('0' <= c && c <= '9');" ); |
| 6954 | verifyFormat("void f() { f(float{1}, a * a); }" ); |
| 6955 | // FIXME: Is there a way to make this work? |
| 6956 | // verifyIndependentOfContext("MACRO(A *a);"); |
| 6957 | |
| 6958 | verifyFormat("DatumHandle const *operator->() const { return input_; }" ); |
| 6959 | verifyFormat("return options != nullptr && operator==(*options);" ); |
| 6960 | |
| 6961 | EXPECT_EQ("#define OP(x) \\\n" |
| 6962 | " ostream &operator<<(ostream &s, const A &a) { \\\n" |
| 6963 | " return s << a.DebugString(); \\\n" |
| 6964 | " }" , |
| 6965 | format("#define OP(x) \\\n" |
| 6966 | " ostream &operator<<(ostream &s, const A &a) { \\\n" |
| 6967 | " return s << a.DebugString(); \\\n" |
| 6968 | " }" , |
| 6969 | getLLVMStyleWithColumns(50))); |
| 6970 | |
| 6971 | // FIXME: We cannot handle this case yet; we might be able to figure out that |
| 6972 | // foo<x> d > v; doesn't make sense. |
| 6973 | verifyFormat("foo<a<b && c> d> v;" ); |
| 6974 | |
| 6975 | FormatStyle PointerMiddle = getLLVMStyle(); |
| 6976 | PointerMiddle.PointerAlignment = FormatStyle::PAS_Middle; |
| 6977 | verifyFormat("delete *x;" , PointerMiddle); |
| 6978 | verifyFormat("int * x;" , PointerMiddle); |
| 6979 | verifyFormat("int *[] x;" , PointerMiddle); |
| 6980 | verifyFormat("template <int * y> f() {}" , PointerMiddle); |
| 6981 | verifyFormat("int * f(int * a) {}" , PointerMiddle); |
| 6982 | verifyFormat("int main(int argc, char ** argv) {}" , PointerMiddle); |
| 6983 | verifyFormat("Test::Test(int b) : a(b * b) {}" , PointerMiddle); |
| 6984 | verifyFormat("A<int *> a;" , PointerMiddle); |
| 6985 | verifyFormat("A<int **> a;" , PointerMiddle); |
| 6986 | verifyFormat("A<int *, int *> a;" , PointerMiddle); |
| 6987 | verifyFormat("A<int *[]> a;" , PointerMiddle); |
| 6988 | verifyFormat("A = new SomeType *[Length]();" , PointerMiddle); |
| 6989 | verifyFormat("A = new SomeType *[Length];" , PointerMiddle); |
| 6990 | verifyFormat("T ** t = new T *;" , PointerMiddle); |
| 6991 | |
| 6992 | // Member function reference qualifiers aren't binary operators. |
| 6993 | verifyFormat("string // break\n" |
| 6994 | "operator()() & {}" ); |
| 6995 | verifyFormat("string // break\n" |
| 6996 | "operator()() && {}" ); |
| 6997 | verifyGoogleFormat("template <typename T>\n" |
| 6998 | "auto x() & -> int {}" ); |
| 6999 | } |
| 7000 | |
| 7001 | TEST_F(FormatTest, UnderstandsAttributes) { |
| 7002 | verifyFormat("SomeType s __attribute__((unused)) (InitValue);" ); |
| 7003 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa __attribute__((unused))\n" |
| 7004 | "aaaaaaaaaaaaaaaaaaaaaaa(int i);" ); |
| 7005 | FormatStyle AfterType = getLLVMStyle(); |
| 7006 | AfterType.AlwaysBreakAfterReturnType = FormatStyle::RTBS_AllDefinitions; |
| 7007 | verifyFormat("__attribute__((nodebug)) void\n" |
| 7008 | "foo() {}\n" , |
| 7009 | AfterType); |
| 7010 | } |
| 7011 | |
| 7012 | TEST_F(FormatTest, UnderstandsSquareAttributes) { |
| 7013 | verifyFormat("SomeType s [[unused]] (InitValue);" ); |
| 7014 | verifyFormat("SomeType s [[gnu::unused]] (InitValue);" ); |
| 7015 | verifyFormat("SomeType s [[using gnu: unused]] (InitValue);" ); |
| 7016 | verifyFormat("[[gsl::suppress(\"clang-tidy-check-name\")]] void f() {}" ); |
| 7017 | verifyFormat("void f() [[deprecated(\"so sorry\")]];" ); |
| 7018 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 7019 | " [[unused]] aaaaaaaaaaaaaaaaaaaaaaa(int i);" ); |
| 7020 | |
| 7021 | // Make sure we do not mistake attributes for array subscripts. |
| 7022 | verifyFormat("int a() {}\n" |
| 7023 | "[[unused]] int b() {}\n" ); |
| 7024 | verifyFormat("NSArray *arr;\n" |
| 7025 | "arr[[Foo() bar]];" ); |
| 7026 | |
| 7027 | // On the other hand, we still need to correctly find array subscripts. |
| 7028 | verifyFormat("int a = std::vector<int>{1, 2, 3}[0];" ); |
| 7029 | |
| 7030 | // Make sure we do not parse attributes as lambda introducers. |
| 7031 | FormatStyle MultiLineFunctions = getLLVMStyle(); |
| 7032 | MultiLineFunctions.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None; |
| 7033 | verifyFormat("[[unused]] int b() {\n" |
| 7034 | " return 42;\n" |
| 7035 | "}\n" , |
| 7036 | MultiLineFunctions); |
| 7037 | } |
| 7038 | |
| 7039 | TEST_F(FormatTest, UnderstandsEllipsis) { |
| 7040 | verifyFormat("int printf(const char *fmt, ...);" ); |
| 7041 | verifyFormat("template <class... Ts> void Foo(Ts... ts) { Foo(ts...); }" ); |
| 7042 | verifyFormat("template <class... Ts> void Foo(Ts *... ts) {}" ); |
| 7043 | |
| 7044 | FormatStyle PointersLeft = getLLVMStyle(); |
| 7045 | PointersLeft.PointerAlignment = FormatStyle::PAS_Left; |
| 7046 | verifyFormat("template <class... Ts> void Foo(Ts*... ts) {}" , PointersLeft); |
| 7047 | } |
| 7048 | |
| 7049 | TEST_F(FormatTest, AdaptivelyFormatsPointersAndReferences) { |
| 7050 | EXPECT_EQ("int *a;\n" |
| 7051 | "int *a;\n" |
| 7052 | "int *a;" , |
| 7053 | format("int *a;\n" |
| 7054 | "int* a;\n" |
| 7055 | "int *a;" , |
| 7056 | getGoogleStyle())); |
| 7057 | EXPECT_EQ("int* a;\n" |
| 7058 | "int* a;\n" |
| 7059 | "int* a;" , |
| 7060 | format("int* a;\n" |
| 7061 | "int* a;\n" |
| 7062 | "int *a;" , |
| 7063 | getGoogleStyle())); |
| 7064 | EXPECT_EQ("int *a;\n" |
| 7065 | "int *a;\n" |
| 7066 | "int *a;" , |
| 7067 | format("int *a;\n" |
| 7068 | "int * a;\n" |
| 7069 | "int * a;" , |
| 7070 | getGoogleStyle())); |
| 7071 | EXPECT_EQ("auto x = [] {\n" |
| 7072 | " int *a;\n" |
| 7073 | " int *a;\n" |
| 7074 | " int *a;\n" |
| 7075 | "};" , |
| 7076 | format("auto x=[]{int *a;\n" |
| 7077 | "int * a;\n" |
| 7078 | "int * a;};" , |
| 7079 | getGoogleStyle())); |
| 7080 | } |
| 7081 | |
| 7082 | TEST_F(FormatTest, UnderstandsRvalueReferences) { |
| 7083 | verifyFormat("int f(int &&a) {}" ); |
| 7084 | verifyFormat("int f(int a, char &&b) {}" ); |
| 7085 | verifyFormat("void f() { int &&a = b; }" ); |
| 7086 | verifyGoogleFormat("int f(int a, char&& b) {}" ); |
| 7087 | verifyGoogleFormat("void f() { int&& a = b; }" ); |
| 7088 | |
| 7089 | verifyIndependentOfContext("A<int &&> a;" ); |
| 7090 | verifyIndependentOfContext("A<int &&, int &&> a;" ); |
| 7091 | verifyGoogleFormat("A<int&&> a;" ); |
| 7092 | verifyGoogleFormat("A<int&&, int&&> a;" ); |
| 7093 | |
| 7094 | // Not rvalue references: |
| 7095 | verifyFormat("template <bool B, bool C> class A {\n" |
| 7096 | " static_assert(B && C, \"Something is wrong\");\n" |
| 7097 | "};" ); |
| 7098 | verifyGoogleFormat("#define IF(a, b, c) if (a && (b == c))" ); |
| 7099 | verifyGoogleFormat("#define WHILE(a, b, c) while (a && (b == c))" ); |
| 7100 | verifyFormat("#define A(a, b) (a && b)" ); |
| 7101 | } |
| 7102 | |
| 7103 | TEST_F(FormatTest, FormatsBinaryOperatorsPrecedingEquals) { |
| 7104 | verifyFormat("void f() {\n" |
| 7105 | " x[aaaaaaaaa -\n" |
| 7106 | " b] = 23;\n" |
| 7107 | "}" , |
| 7108 | getLLVMStyleWithColumns(15)); |
| 7109 | } |
| 7110 | |
| 7111 | TEST_F(FormatTest, FormatsCasts) { |
| 7112 | verifyFormat("Type *A = static_cast<Type *>(P);" ); |
| 7113 | verifyFormat("Type *A = (Type *)P;" ); |
| 7114 | verifyFormat("Type *A = (vector<Type *, int *>)P;" ); |
| 7115 | verifyFormat("int a = (int)(2.0f);" ); |
| 7116 | verifyFormat("int a = (int)2.0f;" ); |
| 7117 | verifyFormat("x[(int32)y];" ); |
| 7118 | verifyFormat("x = (int32)y;" ); |
| 7119 | verifyFormat("#define AA(X) sizeof(((X *)NULL)->a)" ); |
| 7120 | verifyFormat("int a = (int)*b;" ); |
| 7121 | verifyFormat("int a = (int)2.0f;" ); |
| 7122 | verifyFormat("int a = (int)~0;" ); |
| 7123 | verifyFormat("int a = (int)++a;" ); |
| 7124 | verifyFormat("int a = (int)sizeof(int);" ); |
| 7125 | verifyFormat("int a = (int)+2;" ); |
| 7126 | verifyFormat("my_int a = (my_int)2.0f;" ); |
| 7127 | verifyFormat("my_int a = (my_int)sizeof(int);" ); |
| 7128 | verifyFormat("return (my_int)aaa;" ); |
| 7129 | verifyFormat("#define x ((int)-1)" ); |
| 7130 | verifyFormat("#define LENGTH(x, y) (x) - (y) + 1" ); |
| 7131 | verifyFormat("#define p(q) ((int *)&q)" ); |
| 7132 | verifyFormat("fn(a)(b) + 1;" ); |
| 7133 | |
| 7134 | verifyFormat("void f() { my_int a = (my_int)*b; }" ); |
| 7135 | verifyFormat("void f() { return P ? (my_int)*P : (my_int)0; }" ); |
| 7136 | verifyFormat("my_int a = (my_int)~0;" ); |
| 7137 | verifyFormat("my_int a = (my_int)++a;" ); |
| 7138 | verifyFormat("my_int a = (my_int)-2;" ); |
| 7139 | verifyFormat("my_int a = (my_int)1;" ); |
| 7140 | verifyFormat("my_int a = (my_int *)1;" ); |
| 7141 | verifyFormat("my_int a = (const my_int)-1;" ); |
| 7142 | verifyFormat("my_int a = (const my_int *)-1;" ); |
| 7143 | verifyFormat("my_int a = (my_int)(my_int)-1;" ); |
| 7144 | verifyFormat("my_int a = (ns::my_int)-2;" ); |
| 7145 | verifyFormat("case (my_int)ONE:" ); |
| 7146 | verifyFormat("auto x = (X)this;" ); |
| 7147 | |
| 7148 | // FIXME: single value wrapped with paren will be treated as cast. |
| 7149 | verifyFormat("void f(int i = (kValue)*kMask) {}" ); |
| 7150 | |
| 7151 | verifyFormat("{ (void)F; }" ); |
| 7152 | |
| 7153 | // Don't break after a cast's |
| 7154 | verifyFormat("int aaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| 7155 | " (aaaaaaaaaaaaaaaaaaaaaaaaaa *)(aaaaaaaaaaaaaaaaaaaaaa +\n" |
| 7156 | " bbbbbbbbbbbbbbbbbbbbbb);" ); |
| 7157 | |
| 7158 | // These are not casts. |
| 7159 | verifyFormat("void f(int *) {}" ); |
| 7160 | verifyFormat("f(foo)->b;" ); |
| 7161 | verifyFormat("f(foo).b;" ); |
| 7162 | verifyFormat("f(foo)(b);" ); |
| 7163 | verifyFormat("f(foo)[b];" ); |
| 7164 | verifyFormat("[](foo) { return 4; }(bar);" ); |
| 7165 | verifyFormat("(*funptr)(foo)[4];" ); |
| 7166 | verifyFormat("funptrs[4](foo)[4];" ); |
| 7167 | verifyFormat("void f(int *);" ); |
| 7168 | verifyFormat("void f(int *) = 0;" ); |
| 7169 | verifyFormat("void f(SmallVector<int>) {}" ); |
| 7170 | verifyFormat("void f(SmallVector<int>);" ); |
| 7171 | verifyFormat("void f(SmallVector<int>) = 0;" ); |
| 7172 | verifyFormat("void f(int i = (kA * kB) & kMask) {}" ); |
| 7173 | verifyFormat("int a = sizeof(int) * b;" ); |
| 7174 | verifyFormat("int a = alignof(int) * b;" , getGoogleStyle()); |
| 7175 | verifyFormat("template <> void f<int>(int i) SOME_ANNOTATION;" ); |
| 7176 | verifyFormat("f(\"%\" SOME_MACRO(ll) \"d\");" ); |
| 7177 | verifyFormat("aaaaa &operator=(const aaaaa &) LLVM_DELETED_FUNCTION;" ); |
| 7178 | |
| 7179 | // These are not casts, but at some point were confused with casts. |
| 7180 | verifyFormat("virtual void foo(int *) override;" ); |
| 7181 | verifyFormat("virtual void foo(char &) const;" ); |
| 7182 | verifyFormat("virtual void foo(int *a, char *) const;" ); |
| 7183 | verifyFormat("int a = sizeof(int *) + b;" ); |
| 7184 | verifyFormat("int a = alignof(int *) + b;" , getGoogleStyle()); |
| 7185 | verifyFormat("bool b = f(g<int>) && c;" ); |
| 7186 | verifyFormat("typedef void (*f)(int i) func;" ); |
| 7187 | |
| 7188 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *foo = (aaaaaaaaaaaaaaaaa *)\n" |
| 7189 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;" ); |
| 7190 | // FIXME: The indentation here is not ideal. |
| 7191 | verifyFormat( |
| 7192 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 7193 | " [bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = (*cccccccccccccccc)\n" |
| 7194 | " [dddddddddddddddddddddddddddddddddddddddddddddddddddddddd];" ); |
| 7195 | } |
| 7196 | |
| 7197 | TEST_F(FormatTest, FormatsFunctionTypes) { |
| 7198 | verifyFormat("A<bool()> a;" ); |
| 7199 | verifyFormat("A<SomeType()> a;" ); |
| 7200 | verifyFormat("A<void (*)(int, std::string)> a;" ); |
| 7201 | verifyFormat("A<void *(int)>;" ); |
| 7202 | verifyFormat("void *(*a)(int *, SomeType *);" ); |
| 7203 | verifyFormat("int (*func)(void *);" ); |
| 7204 | verifyFormat("void f() { int (*func)(void *); }" ); |
| 7205 | verifyFormat("template <class CallbackClass>\n" |
| 7206 | "using MyCallback = void (CallbackClass::*)(SomeObject *Data);" ); |
| 7207 | |
| 7208 | verifyGoogleFormat("A<void*(int*, SomeType*)>;" ); |
| 7209 | verifyGoogleFormat("void* (*a)(int);" ); |
| 7210 | verifyGoogleFormat( |
| 7211 | "template <class CallbackClass>\n" |
| 7212 | "using MyCallback = void (CallbackClass::*)(SomeObject* Data);" ); |
| 7213 | |
| 7214 | // Other constructs can look somewhat like function types: |
| 7215 | verifyFormat("A<sizeof(*x)> a;" ); |
| 7216 | verifyFormat("#define DEREF_AND_CALL_F(x) f(*x)" ); |
| 7217 | verifyFormat("some_var = function(*some_pointer_var)[0];" ); |
| 7218 | verifyFormat("void f() { function(*some_pointer_var)[0] = 10; }" ); |
| 7219 | verifyFormat("int x = f(&h)();" ); |
| 7220 | verifyFormat("returnsFunction(¶m1, ¶m2)(param);" ); |
| 7221 | verifyFormat("std::function<\n" |
| 7222 | " LooooooooooongTemplatedType<\n" |
| 7223 | " SomeType>*(\n" |
| 7224 | " LooooooooooooooooongType type)>\n" |
| 7225 | " function;" , |
| 7226 | getGoogleStyleWithColumns(40)); |
| 7227 | } |
| 7228 | |
| 7229 | TEST_F(FormatTest, FormatsPointersToArrayTypes) { |
| 7230 | verifyFormat("A (*foo_)[6];" ); |
| 7231 | verifyFormat("vector<int> (*foo_)[6];" ); |
| 7232 | } |
| 7233 | |
| 7234 | TEST_F(FormatTest, BreaksLongVariableDeclarations) { |
| 7235 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n" |
| 7236 | " LoooooooooooooooooooooooooooooooooooooooongVariable;" ); |
| 7237 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType const\n" |
| 7238 | " LoooooooooooooooooooooooooooooooooooooooongVariable;" ); |
| 7239 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n" |
| 7240 | " *LoooooooooooooooooooooooooooooooooooooooongVariable;" ); |
| 7241 | |
| 7242 | // Different ways of ()-initializiation. |
| 7243 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n" |
| 7244 | " LoooooooooooooooooooooooooooooooooooooooongVariable(1);" ); |
| 7245 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n" |
| 7246 | " LoooooooooooooooooooooooooooooooooooooooongVariable(a);" ); |
| 7247 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n" |
| 7248 | " LoooooooooooooooooooooooooooooooooooooooongVariable({});" ); |
| 7249 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n" |
| 7250 | " LoooooooooooooooooooooooooooooooooooooongVariable([A a]);" ); |
| 7251 | |
| 7252 | // Lambdas should not confuse the variable declaration heuristic. |
| 7253 | verifyFormat("LooooooooooooooooongType\n" |
| 7254 | " variable(nullptr, [](A *a) {});" , |
| 7255 | getLLVMStyleWithColumns(40)); |
| 7256 | } |
| 7257 | |
| 7258 | TEST_F(FormatTest, BreaksLongDeclarations) { |
| 7259 | verifyFormat("typedef LoooooooooooooooooooooooooooooooooooooooongType\n" |
| 7260 | " AnotherNameForTheLongType;" ); |
| 7261 | verifyFormat("typedef LongTemplateType<aaaaaaaaaaaaaaaaaaa()>\n" |
| 7262 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 7263 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n" |
| 7264 | "LoooooooooooooooooooooooooooooooongFunctionDeclaration();" ); |
| 7265 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType *\n" |
| 7266 | "LoooooooooooooooooooooooooooooooongFunctionDeclaration();" ); |
| 7267 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n" |
| 7268 | "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}" ); |
| 7269 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType MACRO\n" |
| 7270 | "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}" ); |
| 7271 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType const\n" |
| 7272 | "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}" ); |
| 7273 | verifyFormat("decltype(LoooooooooooooooooooooooooooooooooooooooongName)\n" |
| 7274 | "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}" ); |
| 7275 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n" |
| 7276 | "LooooooooooooooooooooooooooongFunctionDeclaration(T... t);" ); |
| 7277 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n" |
| 7278 | "LooooooooooooooooooooooooooongFunctionDeclaration(T /*t*/) {}" ); |
| 7279 | FormatStyle Indented = getLLVMStyle(); |
| 7280 | Indented.IndentWrappedFunctionNames = true; |
| 7281 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n" |
| 7282 | " LoooooooooooooooooooooooooooooooongFunctionDeclaration();" , |
| 7283 | Indented); |
| 7284 | verifyFormat( |
| 7285 | "LoooooooooooooooooooooooooooooooooooooooongReturnType\n" |
| 7286 | " LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}" , |
| 7287 | Indented); |
| 7288 | verifyFormat( |
| 7289 | "LoooooooooooooooooooooooooooooooooooooooongReturnType const\n" |
| 7290 | " LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}" , |
| 7291 | Indented); |
| 7292 | verifyFormat( |
| 7293 | "decltype(LoooooooooooooooooooooooooooooooooooooooongName)\n" |
| 7294 | " LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}" , |
| 7295 | Indented); |
| 7296 | |
| 7297 | // FIXME: Without the comment, this breaks after "(". |
| 7298 | verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType // break\n" |
| 7299 | " (*LoooooooooooooooooooooooooooongFunctionTypeVarialbe)();" , |
| 7300 | getGoogleStyle()); |
| 7301 | |
| 7302 | verifyFormat("int *someFunction(int LoooooooooooooooooooongParam1,\n" |
| 7303 | " int LoooooooooooooooooooongParam2) {}" ); |
| 7304 | verifyFormat( |
| 7305 | "TypeSpecDecl *TypeSpecDecl::Create(ASTContext &C, DeclContext *DC,\n" |
| 7306 | " SourceLocation L, IdentifierIn *II,\n" |
| 7307 | " Type *T) {}" ); |
| 7308 | verifyFormat("ReallyLongReturnType<TemplateParam1, TemplateParam2>\n" |
| 7309 | "ReallyReaaallyLongFunctionName(\n" |
| 7310 | " const std::string &SomeParameter,\n" |
| 7311 | " const SomeType<string, SomeOtherTemplateParameter>\n" |
| 7312 | " &ReallyReallyLongParameterName,\n" |
| 7313 | " const SomeType<string, SomeOtherTemplateParameter>\n" |
| 7314 | " &AnotherLongParameterName) {}" ); |
| 7315 | verifyFormat("template <typename A>\n" |
| 7316 | "SomeLoooooooooooooooooooooongType<\n" |
| 7317 | " typename some_namespace::SomeOtherType<A>::Type>\n" |
| 7318 | "Function() {}" ); |
| 7319 | |
| 7320 | verifyGoogleFormat( |
| 7321 | "aaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaa<aaaaaaaaaaaaa, aaaaaaaaaaaa>\n" |
| 7322 | " aaaaaaaaaaaaaaaaaaaaaaa;" ); |
| 7323 | verifyGoogleFormat( |
| 7324 | "TypeSpecDecl* TypeSpecDecl::Create(ASTContext& C, DeclContext* DC,\n" |
| 7325 | " SourceLocation L) {}" ); |
| 7326 | verifyGoogleFormat( |
| 7327 | "some_namespace::LongReturnType\n" |
| 7328 | "long_namespace::SomeVeryLongClass::SomeVeryLongFunction(\n" |
| 7329 | " int first_long_parameter, int second_parameter) {}" ); |
| 7330 | |
| 7331 | verifyGoogleFormat("template <typename T>\n" |
| 7332 | "aaaaaaaa::aaaaa::aaaaaa<T, aaaaaaaaaaaaaaaaaaaaaaaaa>\n" |
| 7333 | "aaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaa() {}" ); |
| 7334 | verifyGoogleFormat("A<A<A>> aaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 7335 | " int aaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 7336 | |
| 7337 | verifyFormat("typedef size_t (*aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)(\n" |
| 7338 | " const aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 7339 | " *aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 7340 | verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 7341 | " vector<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>\n" |
| 7342 | " aaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 7343 | verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 7344 | " vector<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n" |
| 7345 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>>\n" |
| 7346 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 7347 | |
| 7348 | verifyFormat("template <typename T> // Templates on own line.\n" |
| 7349 | "static int // Some comment.\n" |
| 7350 | "MyFunction(int a);" , |
| 7351 | getLLVMStyle()); |
| 7352 | } |
| 7353 | |
| 7354 | TEST_F(FormatTest, FormatsArrays) { |
| 7355 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaa[aaaaaaaaaaaaaaaaaaaaaaaaa]\n" |
| 7356 | " [bbbbbbbbbbbbbbbbbbbbbbbbb] = c;" ); |
| 7357 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaa[aaaaaaaaaaa(aaaaaaaaaaaa)]\n" |
| 7358 | " [bbbbbbbbbbb(bbbbbbbbbbbb)] = c;" ); |
| 7359 | verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaa &&\n" |
| 7360 | " aaaaaaaaaaaaaaaaaaa[aaaaaaaaaaaaa][aaaaaaaaaaaaa]) {\n}" ); |
| 7361 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 7362 | " [bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = ccccccccccc;" ); |
| 7363 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 7364 | " [a][bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = cccccccc;" ); |
| 7365 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 7366 | " [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]\n" |
| 7367 | " [bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb] = ccccccccccc;" ); |
| 7368 | verifyFormat( |
| 7369 | "llvm::outs() << \"aaaaaaaaaaaa: \"\n" |
| 7370 | " << (*aaaaaaaiaaaaaaa)[aaaaaaaaaaaaaaaaaaaaaaaaa]\n" |
| 7371 | " [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];" ); |
| 7372 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa[aaaaaaaaaaaaaaaaa][a]\n" |
| 7373 | " .aaaaaaaaaaaaaaaaaaaaaa();" ); |
| 7374 | |
| 7375 | verifyGoogleFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<int>\n" |
| 7376 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa[aaaaaaaaaaaa];" ); |
| 7377 | verifyFormat( |
| 7378 | "aaaaaaaaaaa aaaaaaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaa->aaaaaaaaa[0]\n" |
| 7379 | " .aaaaaaa[0]\n" |
| 7380 | " .aaaaaaaaaaaaaaaaaaaaaa();" ); |
| 7381 | verifyFormat("a[::b::c];" ); |
| 7382 | |
| 7383 | verifyNoCrash("a[,Y?)]" , getLLVMStyleWithColumns(10)); |
| 7384 | |
| 7385 | FormatStyle NoColumnLimit = getLLVMStyleWithColumns(0); |
| 7386 | verifyFormat("aaaaa[bbbbbb].cccccc()" , NoColumnLimit); |
| 7387 | } |
| 7388 | |
| 7389 | TEST_F(FormatTest, LineStartsWithSpecialCharacter) { |
| 7390 | verifyFormat("(a)->b();" ); |
| 7391 | verifyFormat("--a;" ); |
| 7392 | } |
| 7393 | |
| 7394 | TEST_F(FormatTest, HandlesIncludeDirectives) { |
| 7395 | verifyFormat("#include <string>\n" |
| 7396 | "#include <a/b/c.h>\n" |
| 7397 | "#include \"a/b/string\"\n" |
| 7398 | "#include \"string.h\"\n" |
| 7399 | "#include \"string.h\"\n" |
| 7400 | "#include <a-a>\n" |
| 7401 | "#include < path with space >\n" |
| 7402 | "#include_next <test.h>" |
| 7403 | "#include \"abc.h\" // this is included for ABC\n" |
| 7404 | "#include \"some long include\" // with a comment\n" |
| 7405 | "#include \"some very long include path\"\n" |
| 7406 | "#include <some/very/long/include/path>\n" , |
| 7407 | getLLVMStyleWithColumns(35)); |
| 7408 | EXPECT_EQ("#include \"a.h\"" , format("#include \"a.h\"" )); |
| 7409 | EXPECT_EQ("#include <a>" , format("#include<a>" )); |
| 7410 | |
| 7411 | verifyFormat("#import <string>" ); |
| 7412 | verifyFormat("#import <a/b/c.h>" ); |
| 7413 | verifyFormat("#import \"a/b/string\"" ); |
| 7414 | verifyFormat("#import \"string.h\"" ); |
| 7415 | verifyFormat("#import \"string.h\"" ); |
| 7416 | verifyFormat("#if __has_include(<strstream>)\n" |
| 7417 | "#include <strstream>\n" |
| 7418 | "#endif" ); |
| 7419 | |
| 7420 | verifyFormat("#define MY_IMPORT <a/b>" ); |
| 7421 | |
| 7422 | verifyFormat("#if __has_include(<a/b>)" ); |
| 7423 | verifyFormat("#if __has_include_next(<a/b>)" ); |
| 7424 | verifyFormat("#define F __has_include(<a/b>)" ); |
| 7425 | verifyFormat("#define F __has_include_next(<a/b>)" ); |
| 7426 | |
| 7427 | // Protocol buffer definition or missing "#". |
| 7428 | verifyFormat("import \"aaaaaaaaaaaaaaaaa/aaaaaaaaaaaaaaa\";" , |
| 7429 | getLLVMStyleWithColumns(30)); |
| 7430 | |
| 7431 | FormatStyle Style = getLLVMStyle(); |
| 7432 | Style.AlwaysBreakBeforeMultilineStrings = true; |
| 7433 | Style.ColumnLimit = 0; |
| 7434 | verifyFormat("#import \"abc.h\"" , Style); |
| 7435 | |
| 7436 | // But 'import' might also be a regular C++ namespace. |
| 7437 | verifyFormat("import::SomeFunction(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 7438 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 7439 | } |
| 7440 | |
| 7441 | //===----------------------------------------------------------------------===// |
| 7442 | // Error recovery tests. |
| 7443 | //===----------------------------------------------------------------------===// |
| 7444 | |
| 7445 | TEST_F(FormatTest, IncompleteParameterLists) { |
| 7446 | FormatStyle NoBinPacking = getLLVMStyle(); |
| 7447 | NoBinPacking.BinPackParameters = false; |
| 7448 | verifyFormat("void aaaaaaaaaaaaaaaaaa(int level,\n" |
| 7449 | " double *min_x,\n" |
| 7450 | " double *max_x,\n" |
| 7451 | " double *min_y,\n" |
| 7452 | " double *max_y,\n" |
| 7453 | " double *min_z,\n" |
| 7454 | " double *max_z, ) {}" , |
| 7455 | NoBinPacking); |
| 7456 | } |
| 7457 | |
| 7458 | TEST_F(FormatTest, IncorrectCodeTrailingStuff) { |
| 7459 | verifyFormat("void f() { return; }\n42" ); |
| 7460 | verifyFormat("void f() {\n" |
| 7461 | " if (0)\n" |
| 7462 | " return;\n" |
| 7463 | "}\n" |
| 7464 | "42" ); |
| 7465 | verifyFormat("void f() { return }\n42" ); |
| 7466 | verifyFormat("void f() {\n" |
| 7467 | " if (0)\n" |
| 7468 | " return\n" |
| 7469 | "}\n" |
| 7470 | "42" ); |
| 7471 | } |
| 7472 | |
| 7473 | TEST_F(FormatTest, IncorrectCodeMissingSemicolon) { |
| 7474 | EXPECT_EQ("void f() { return }" , format("void f ( ) { return }" )); |
| 7475 | EXPECT_EQ("void f() {\n" |
| 7476 | " if (a)\n" |
| 7477 | " return\n" |
| 7478 | "}" , |
| 7479 | format("void f ( ) { if ( a ) return }" )); |
| 7480 | EXPECT_EQ("namespace N {\n" |
| 7481 | "void f()\n" |
| 7482 | "}" , |
| 7483 | format("namespace N { void f() }" )); |
| 7484 | EXPECT_EQ("namespace N {\n" |
| 7485 | "void f() {}\n" |
| 7486 | "void g()\n" |
| 7487 | "} // namespace N" , |
| 7488 | format("namespace N { void f( ) { } void g( ) }" )); |
| 7489 | } |
| 7490 | |
| 7491 | TEST_F(FormatTest, IndentationWithinColumnLimitNotPossible) { |
| 7492 | verifyFormat("int aaaaaaaa =\n" |
| 7493 | " // Overlylongcomment\n" |
| 7494 | " b;" , |
| 7495 | getLLVMStyleWithColumns(20)); |
| 7496 | verifyFormat("function(\n" |
| 7497 | " ShortArgument,\n" |
| 7498 | " LoooooooooooongArgument);\n" , |
| 7499 | getLLVMStyleWithColumns(20)); |
| 7500 | } |
| 7501 | |
| 7502 | TEST_F(FormatTest, IncorrectAccessSpecifier) { |
| 7503 | verifyFormat("public:" ); |
| 7504 | verifyFormat("class A {\n" |
| 7505 | "public\n" |
| 7506 | " void f() {}\n" |
| 7507 | "};" ); |
| 7508 | verifyFormat("public\n" |
| 7509 | "int qwerty;" ); |
| 7510 | verifyFormat("public\n" |
| 7511 | "B {}" ); |
| 7512 | verifyFormat("public\n" |
| 7513 | "{}" ); |
| 7514 | verifyFormat("public\n" |
| 7515 | "B { int x; }" ); |
| 7516 | } |
| 7517 | |
| 7518 | TEST_F(FormatTest, IncorrectCodeUnbalancedBraces) { |
| 7519 | verifyFormat("{" ); |
| 7520 | verifyFormat("#})" ); |
| 7521 | verifyNoCrash("(/**/[:!] ?[)." ); |
| 7522 | } |
| 7523 | |
| 7524 | TEST_F(FormatTest, IncorrectUnbalancedBracesInMacrosWithUnicode) { |
| 7525 | // Found by oss-fuzz: |
| 7526 | // https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8212 |
| 7527 | FormatStyle Style = getGoogleStyle(FormatStyle::LK_Cpp); |
| 7528 | Style.ColumnLimit = 60; |
| 7529 | verifyNoCrash( |
| 7530 | "\x23\x47\xff\x20\x28\xff\x3c\xff\x3f\xff\x20\x2f\x7b\x7a\xff\x20" |
| 7531 | "\xff\xff\xff\xca\xb5\xff\xff\xff\xff\x3a\x7b\x7d\xff\x20\xff\x20" |
| 7532 | "\xff\x74\xff\x20\x7d\x7d\xff\x7b\x3a\xff\x20\x71\xff\x20\xff\x0a" , |
| 7533 | Style); |
| 7534 | } |
| 7535 | |
| 7536 | TEST_F(FormatTest, IncorrectCodeDoNoWhile) { |
| 7537 | verifyFormat("do {\n}" ); |
| 7538 | verifyFormat("do {\n}\n" |
| 7539 | "f();" ); |
| 7540 | verifyFormat("do {\n}\n" |
| 7541 | "wheeee(fun);" ); |
| 7542 | verifyFormat("do {\n" |
| 7543 | " f();\n" |
| 7544 | "}" ); |
| 7545 | } |
| 7546 | |
| 7547 | TEST_F(FormatTest, IncorrectCodeMissingParens) { |
| 7548 | verifyFormat("if {\n foo;\n foo();\n}" ); |
| 7549 | verifyFormat("switch {\n foo;\n foo();\n}" ); |
| 7550 | verifyIncompleteFormat("for {\n foo;\n foo();\n}" ); |
| 7551 | verifyFormat("while {\n foo;\n foo();\n}" ); |
| 7552 | verifyFormat("do {\n foo;\n foo();\n} while;" ); |
| 7553 | } |
| 7554 | |
| 7555 | TEST_F(FormatTest, DoesNotTouchUnwrappedLinesWithErrors) { |
| 7556 | verifyIncompleteFormat("namespace {\n" |
| 7557 | "class Foo { Foo (\n" |
| 7558 | "};\n" |
| 7559 | "} // namespace" ); |
| 7560 | } |
| 7561 | |
| 7562 | TEST_F(FormatTest, IncorrectCodeErrorDetection) { |
| 7563 | EXPECT_EQ("{\n {}\n" , format("{\n{\n}\n" )); |
| 7564 | EXPECT_EQ("{\n {}\n" , format("{\n {\n}\n" )); |
| 7565 | EXPECT_EQ("{\n {}\n" , format("{\n {\n }\n" )); |
| 7566 | EXPECT_EQ("{\n {}\n}\n}\n" , format("{\n {\n }\n }\n}\n" )); |
| 7567 | |
| 7568 | EXPECT_EQ("{\n" |
| 7569 | " {\n" |
| 7570 | " breakme(\n" |
| 7571 | " qwe);\n" |
| 7572 | " }\n" , |
| 7573 | format("{\n" |
| 7574 | " {\n" |
| 7575 | " breakme(qwe);\n" |
| 7576 | "}\n" , |
| 7577 | getLLVMStyleWithColumns(10))); |
| 7578 | } |
| 7579 | |
| 7580 | TEST_F(FormatTest, LayoutCallsInsideBraceInitializers) { |
| 7581 | verifyFormat("int x = {\n" |
| 7582 | " avariable,\n" |
| 7583 | " b(alongervariable)};" , |
| 7584 | getLLVMStyleWithColumns(25)); |
| 7585 | } |
| 7586 | |
| 7587 | TEST_F(FormatTest, LayoutBraceInitializersInReturnStatement) { |
| 7588 | verifyFormat("return (a)(b){1, 2, 3};" ); |
| 7589 | } |
| 7590 | |
| 7591 | TEST_F(FormatTest, LayoutCxx11BraceInitializers) { |
| 7592 | verifyFormat("vector<int> x{1, 2, 3, 4};" ); |
| 7593 | verifyFormat("vector<int> x{\n" |
| 7594 | " 1,\n" |
| 7595 | " 2,\n" |
| 7596 | " 3,\n" |
| 7597 | " 4,\n" |
| 7598 | "};" ); |
| 7599 | verifyFormat("vector<T> x{{}, {}, {}, {}};" ); |
| 7600 | verifyFormat("f({1, 2});" ); |
| 7601 | verifyFormat("auto v = Foo{-1};" ); |
| 7602 | verifyFormat("f({1, 2}, {{2, 3}, {4, 5}}, c, {d});" ); |
| 7603 | verifyFormat("Class::Class : member{1, 2, 3} {}" ); |
| 7604 | verifyFormat("new vector<int>{1, 2, 3};" ); |
| 7605 | verifyFormat("new int[3]{1, 2, 3};" ); |
| 7606 | verifyFormat("new int{1};" ); |
| 7607 | verifyFormat("return {arg1, arg2};" ); |
| 7608 | verifyFormat("return {arg1, SomeType{parameter}};" ); |
| 7609 | verifyFormat("int count = set<int>{f(), g(), h()}.size();" ); |
| 7610 | verifyFormat("new T{arg1, arg2};" ); |
| 7611 | verifyFormat("f(MyMap[{composite, key}]);" ); |
| 7612 | verifyFormat("class Class {\n" |
| 7613 | " T member = {arg1, arg2};\n" |
| 7614 | "};" ); |
| 7615 | verifyFormat("vector<int> foo = {::SomeGlobalFunction()};" ); |
| 7616 | verifyFormat("const struct A a = {.a = 1, .b = 2};" ); |
| 7617 | verifyFormat("const struct A a = {[0] = 1, [1] = 2};" ); |
| 7618 | verifyFormat("static_assert(std::is_integral<int>{} + 0, \"\");" ); |
| 7619 | verifyFormat("int a = std::is_integral<int>{} + 0;" ); |
| 7620 | |
| 7621 | verifyFormat("int foo(int i) { return fo1{}(i); }" ); |
| 7622 | verifyFormat("int foo(int i) { return fo1{}(i); }" ); |
| 7623 | verifyFormat("auto i = decltype(x){};" ); |
| 7624 | verifyFormat("std::vector<int> v = {1, 0 /* comment */};" ); |
| 7625 | verifyFormat("Node n{1, Node{1000}, //\n" |
| 7626 | " 2};" ); |
| 7627 | verifyFormat("Aaaa aaaaaaa{\n" |
| 7628 | " {\n" |
| 7629 | " aaaa,\n" |
| 7630 | " },\n" |
| 7631 | "};" ); |
| 7632 | verifyFormat("class C : public D {\n" |
| 7633 | " SomeClass SC{2};\n" |
| 7634 | "};" ); |
| 7635 | verifyFormat("class C : public A {\n" |
| 7636 | " class D : public B {\n" |
| 7637 | " void f() { int i{2}; }\n" |
| 7638 | " };\n" |
| 7639 | "};" ); |
| 7640 | verifyFormat("#define A {a, a}," ); |
| 7641 | |
| 7642 | // Avoid breaking between equal sign and opening brace |
| 7643 | FormatStyle AvoidBreakingFirstArgument = getLLVMStyle(); |
| 7644 | AvoidBreakingFirstArgument.PenaltyBreakBeforeFirstCallParameter = 200; |
| 7645 | verifyFormat("const std::unordered_map<std::string, int> MyHashTable =\n" |
| 7646 | " {{\"aaaaaaaaaaaaaaaaaaaaa\", 0},\n" |
| 7647 | " {\"bbbbbbbbbbbbbbbbbbbbb\", 1},\n" |
| 7648 | " {\"ccccccccccccccccccccc\", 2}};" , |
| 7649 | AvoidBreakingFirstArgument); |
| 7650 | |
| 7651 | // Binpacking only if there is no trailing comma |
| 7652 | verifyFormat("const Aaaaaa aaaaa = {aaaaaaaaaa, bbbbbbbbbb,\n" |
| 7653 | " cccccccccc, dddddddddd};" , |
| 7654 | getLLVMStyleWithColumns(50)); |
| 7655 | verifyFormat("const Aaaaaa aaaaa = {\n" |
| 7656 | " aaaaaaaaaaa,\n" |
| 7657 | " bbbbbbbbbbb,\n" |
| 7658 | " ccccccccccc,\n" |
| 7659 | " ddddddddddd,\n" |
| 7660 | "};" , getLLVMStyleWithColumns(50)); |
| 7661 | |
| 7662 | // Cases where distinguising braced lists and blocks is hard. |
| 7663 | verifyFormat("vector<int> v{12} GUARDED_BY(mutex);" ); |
| 7664 | verifyFormat("void f() {\n" |
| 7665 | " return; // comment\n" |
| 7666 | "}\n" |
| 7667 | "SomeType t;" ); |
| 7668 | verifyFormat("void f() {\n" |
| 7669 | " if (a) {\n" |
| 7670 | " f();\n" |
| 7671 | " }\n" |
| 7672 | "}\n" |
| 7673 | "SomeType t;" ); |
| 7674 | |
| 7675 | // In combination with BinPackArguments = false. |
| 7676 | FormatStyle NoBinPacking = getLLVMStyle(); |
| 7677 | NoBinPacking.BinPackArguments = false; |
| 7678 | verifyFormat("const Aaaaaa aaaaa = {aaaaa,\n" |
| 7679 | " bbbbb,\n" |
| 7680 | " ccccc,\n" |
| 7681 | " ddddd,\n" |
| 7682 | " eeeee,\n" |
| 7683 | " ffffff,\n" |
| 7684 | " ggggg,\n" |
| 7685 | " hhhhhh,\n" |
| 7686 | " iiiiii,\n" |
| 7687 | " jjjjjj,\n" |
| 7688 | " kkkkkk};" , |
| 7689 | NoBinPacking); |
| 7690 | verifyFormat("const Aaaaaa aaaaa = {\n" |
| 7691 | " aaaaa,\n" |
| 7692 | " bbbbb,\n" |
| 7693 | " ccccc,\n" |
| 7694 | " ddddd,\n" |
| 7695 | " eeeee,\n" |
| 7696 | " ffffff,\n" |
| 7697 | " ggggg,\n" |
| 7698 | " hhhhhh,\n" |
| 7699 | " iiiiii,\n" |
| 7700 | " jjjjjj,\n" |
| 7701 | " kkkkkk,\n" |
| 7702 | "};" , |
| 7703 | NoBinPacking); |
| 7704 | verifyFormat( |
| 7705 | "const Aaaaaa aaaaa = {\n" |
| 7706 | " aaaaa, bbbbb, ccccc, ddddd, eeeee, ffffff, ggggg, hhhhhh,\n" |
| 7707 | " iiiiii, jjjjjj, kkkkkk, aaaaa, bbbbb, ccccc, ddddd, eeeee,\n" |
| 7708 | " ffffff, ggggg, hhhhhh, iiiiii, jjjjjj, kkkkkk,\n" |
| 7709 | "};" , |
| 7710 | NoBinPacking); |
| 7711 | |
| 7712 | // FIXME: The alignment of these trailing comments might be bad. Then again, |
| 7713 | // this might be utterly useless in real code. |
| 7714 | verifyFormat("Constructor::Constructor()\n" |
| 7715 | " : some_value{ //\n" |
| 7716 | " aaaaaaa, //\n" |
| 7717 | " bbbbbbb} {}" ); |
| 7718 | |
| 7719 | // In braced lists, the first comment is always assumed to belong to the |
| 7720 | // first element. Thus, it can be moved to the next or previous line as |
| 7721 | // appropriate. |
| 7722 | EXPECT_EQ("function({// First element:\n" |
| 7723 | " 1,\n" |
| 7724 | " // Second element:\n" |
| 7725 | " 2});" , |
| 7726 | format("function({\n" |
| 7727 | " // First element:\n" |
| 7728 | " 1,\n" |
| 7729 | " // Second element:\n" |
| 7730 | " 2});" )); |
| 7731 | EXPECT_EQ("std::vector<int> MyNumbers{\n" |
| 7732 | " // First element:\n" |
| 7733 | " 1,\n" |
| 7734 | " // Second element:\n" |
| 7735 | " 2};" , |
| 7736 | format("std::vector<int> MyNumbers{// First element:\n" |
| 7737 | " 1,\n" |
| 7738 | " // Second element:\n" |
| 7739 | " 2};" , |
| 7740 | getLLVMStyleWithColumns(30))); |
| 7741 | // A trailing comma should still lead to an enforced line break and no |
| 7742 | // binpacking. |
| 7743 | EXPECT_EQ("vector<int> SomeVector = {\n" |
| 7744 | " // aaa\n" |
| 7745 | " 1,\n" |
| 7746 | " 2,\n" |
| 7747 | "};" , |
| 7748 | format("vector<int> SomeVector = { // aaa\n" |
| 7749 | " 1, 2, };" )); |
| 7750 | |
| 7751 | FormatStyle = getLLVMStyle(); |
| 7752 | ExtraSpaces.Cpp11BracedListStyle = false; |
| 7753 | ExtraSpaces.ColumnLimit = 75; |
| 7754 | verifyFormat("vector<int> x{ 1, 2, 3, 4 };" , ExtraSpaces); |
| 7755 | verifyFormat("vector<T> x{ {}, {}, {}, {} };" , ExtraSpaces); |
| 7756 | verifyFormat("f({ 1, 2 });" , ExtraSpaces); |
| 7757 | verifyFormat("auto v = Foo{ 1 };" , ExtraSpaces); |
| 7758 | verifyFormat("f({ 1, 2 }, { { 2, 3 }, { 4, 5 } }, c, { d });" , ExtraSpaces); |
| 7759 | verifyFormat("Class::Class : member{ 1, 2, 3 } {}" , ExtraSpaces); |
| 7760 | verifyFormat("new vector<int>{ 1, 2, 3 };" , ExtraSpaces); |
| 7761 | verifyFormat("new int[3]{ 1, 2, 3 };" , ExtraSpaces); |
| 7762 | verifyFormat("return { arg1, arg2 };" , ExtraSpaces); |
| 7763 | verifyFormat("return { arg1, SomeType{ parameter } };" , ExtraSpaces); |
| 7764 | verifyFormat("int count = set<int>{ f(), g(), h() }.size();" , ExtraSpaces); |
| 7765 | verifyFormat("new T{ arg1, arg2 };" , ExtraSpaces); |
| 7766 | verifyFormat("f(MyMap[{ composite, key }]);" , ExtraSpaces); |
| 7767 | verifyFormat("class Class {\n" |
| 7768 | " T member = { arg1, arg2 };\n" |
| 7769 | "};" , |
| 7770 | ExtraSpaces); |
| 7771 | verifyFormat( |
| 7772 | "foo = aaaaaaaaaaa ? vector<int>{ aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 7773 | " aaaaaaaaaaaaaaaaaaaa, aaaaa }\n" |
| 7774 | " : vector<int>{ bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n" |
| 7775 | " bbbbbbbbbbbbbbbbbbbb, bbbbb };" , |
| 7776 | ExtraSpaces); |
| 7777 | verifyFormat("DoSomethingWithVector({} /* No data */);" , ExtraSpaces); |
| 7778 | verifyFormat("DoSomethingWithVector({ {} /* No data */ }, { { 1, 2 } });" , |
| 7779 | ExtraSpaces); |
| 7780 | verifyFormat( |
| 7781 | "someFunction(OtherParam,\n" |
| 7782 | " BracedList{ // comment 1 (Forcing interesting break)\n" |
| 7783 | " param1, param2,\n" |
| 7784 | " // comment 2\n" |
| 7785 | " param3, param4 });" , |
| 7786 | ExtraSpaces); |
| 7787 | verifyFormat( |
| 7788 | "std::this_thread::sleep_for(\n" |
| 7789 | " std::chrono::nanoseconds{ std::chrono::seconds{ 1 } } / 5);" , |
| 7790 | ExtraSpaces); |
| 7791 | verifyFormat("std::vector<MyValues> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa{\n" |
| 7792 | " aaaaaaa,\n" |
| 7793 | " aaaaaaaaaa,\n" |
| 7794 | " aaaaa,\n" |
| 7795 | " aaaaaaaaaaaaaaa,\n" |
| 7796 | " aaa,\n" |
| 7797 | " aaaaaaaaaa,\n" |
| 7798 | " a,\n" |
| 7799 | " aaaaaaaaaaaaaaaaaaaaa,\n" |
| 7800 | " aaaaaaaaaaaa,\n" |
| 7801 | " aaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaa,\n" |
| 7802 | " aaaaaaa,\n" |
| 7803 | " a};" ); |
| 7804 | verifyFormat("vector<int> foo = { ::SomeGlobalFunction() };" , ExtraSpaces); |
| 7805 | verifyFormat("const struct A a = { .a = 1, .b = 2 };" , ExtraSpaces); |
| 7806 | verifyFormat("const struct A a = { [0] = 1, [1] = 2 };" , ExtraSpaces); |
| 7807 | |
| 7808 | // Avoid breaking between initializer/equal sign and opening brace |
| 7809 | ExtraSpaces.PenaltyBreakBeforeFirstCallParameter = 200; |
| 7810 | verifyFormat("const std::unordered_map<std::string, int> MyHashTable = {\n" |
| 7811 | " { \"aaaaaaaaaaaaaaaaaaaaa\", 0 },\n" |
| 7812 | " { \"bbbbbbbbbbbbbbbbbbbbb\", 1 },\n" |
| 7813 | " { \"ccccccccccccccccccccc\", 2 }\n" |
| 7814 | "};" , |
| 7815 | ExtraSpaces); |
| 7816 | verifyFormat("const std::unordered_map<std::string, int> MyHashTable{\n" |
| 7817 | " { \"aaaaaaaaaaaaaaaaaaaaa\", 0 },\n" |
| 7818 | " { \"bbbbbbbbbbbbbbbbbbbbb\", 1 },\n" |
| 7819 | " { \"ccccccccccccccccccccc\", 2 }\n" |
| 7820 | "};" , |
| 7821 | ExtraSpaces); |
| 7822 | |
| 7823 | FormatStyle SpaceBeforeBrace = getLLVMStyle(); |
| 7824 | SpaceBeforeBrace.SpaceBeforeCpp11BracedList = true; |
| 7825 | verifyFormat("vector<int> x {1, 2, 3, 4};" , SpaceBeforeBrace); |
| 7826 | verifyFormat("f({}, {{}, {}}, MyMap[{k, v}]);" , SpaceBeforeBrace); |
| 7827 | } |
| 7828 | |
| 7829 | TEST_F(FormatTest, FormatsBracedListsInColumnLayout) { |
| 7830 | verifyFormat("vector<int> x = {1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7831 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7832 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7833 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7834 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7835 | " 1, 22, 333, 4444, 55555, 666666, 7777777};" ); |
| 7836 | verifyFormat("vector<int> x = {1, 22, 333, 4444, 55555, 666666, 7777777, //\n" |
| 7837 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7838 | " 1, 22, 333, 4444, 55555, //\n" |
| 7839 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7840 | " 1, 22, 333, 4444, 55555, 666666, 7777777};" ); |
| 7841 | verifyFormat( |
| 7842 | "vector<int> x = {1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7843 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7844 | " 1, 22, 333, 4444, 55555, 666666, // comment\n" |
| 7845 | " 7777777, 1, 22, 333, 4444, 55555, 666666,\n" |
| 7846 | " 7777777, 1, 22, 333, 4444, 55555, 666666,\n" |
| 7847 | " 7777777, 1, 22, 333, 4444, 55555, 666666,\n" |
| 7848 | " 7777777};" ); |
| 7849 | verifyFormat("static const uint16_t CallerSavedRegs64Bittttt[] = {\n" |
| 7850 | " X86::RAX, X86::RDX, X86::RCX, X86::RSI, X86::RDI,\n" |
| 7851 | " X86::R8, X86::R9, X86::R10, X86::R11, 0};" ); |
| 7852 | verifyFormat("static const uint16_t CallerSavedRegs64Bittttt[] = {\n" |
| 7853 | " X86::RAX, X86::RDX, X86::RCX, X86::RSI, X86::RDI,\n" |
| 7854 | " // Separating comment.\n" |
| 7855 | " X86::R8, X86::R9, X86::R10, X86::R11, 0};" ); |
| 7856 | verifyFormat("static const uint16_t CallerSavedRegs64Bittttt[] = {\n" |
| 7857 | " // Leading comment\n" |
| 7858 | " X86::RAX, X86::RDX, X86::RCX, X86::RSI, X86::RDI,\n" |
| 7859 | " X86::R8, X86::R9, X86::R10, X86::R11, 0};" ); |
| 7860 | verifyFormat("vector<int> x = {1, 1, 1, 1,\n" |
| 7861 | " 1, 1, 1, 1};" , |
| 7862 | getLLVMStyleWithColumns(39)); |
| 7863 | verifyFormat("vector<int> x = {1, 1, 1, 1,\n" |
| 7864 | " 1, 1, 1, 1};" , |
| 7865 | getLLVMStyleWithColumns(38)); |
| 7866 | verifyFormat("vector<int> aaaaaaaaaaaaaaaaaaaaaa = {\n" |
| 7867 | " 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};" , |
| 7868 | getLLVMStyleWithColumns(43)); |
| 7869 | verifyFormat( |
| 7870 | "static unsigned SomeValues[10][3] = {\n" |
| 7871 | " {1, 4, 0}, {4, 9, 0}, {4, 5, 9}, {8, 5, 4}, {1, 8, 4},\n" |
| 7872 | " {10, 1, 6}, {11, 0, 9}, {2, 11, 9}, {5, 2, 9}, {11, 2, 7}};" ); |
| 7873 | verifyFormat("static auto fields = new vector<string>{\n" |
| 7874 | " \"aaaaaaaaaaaaa\",\n" |
| 7875 | " \"aaaaaaaaaaaaa\",\n" |
| 7876 | " \"aaaaaaaaaaaa\",\n" |
| 7877 | " \"aaaaaaaaaaaaaa\",\n" |
| 7878 | " \"aaaaaaaaaaaaaaaaaaaaaaaaa\",\n" |
| 7879 | " \"aaaaaaaaaaaa\",\n" |
| 7880 | " \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\n" |
| 7881 | "};" ); |
| 7882 | verifyFormat("vector<int> x = {1, 2, 3, 4, aaaaaaaaaaaaaaaaa, 6};" ); |
| 7883 | verifyFormat("vector<int> x = {1, aaaaaaaaaaaaaaaaaaaaaa,\n" |
| 7884 | " 2, bbbbbbbbbbbbbbbbbbbbbb,\n" |
| 7885 | " 3, cccccccccccccccccccccc};" , |
| 7886 | getLLVMStyleWithColumns(60)); |
| 7887 | |
| 7888 | // Trailing commas. |
| 7889 | verifyFormat("vector<int> x = {\n" |
| 7890 | " 1, 1, 1, 1, 1, 1, 1, 1,\n" |
| 7891 | "};" , |
| 7892 | getLLVMStyleWithColumns(39)); |
| 7893 | verifyFormat("vector<int> x = {\n" |
| 7894 | " 1, 1, 1, 1, 1, 1, 1, 1, //\n" |
| 7895 | "};" , |
| 7896 | getLLVMStyleWithColumns(39)); |
| 7897 | verifyFormat("vector<int> x = {1, 1, 1, 1,\n" |
| 7898 | " 1, 1, 1, 1,\n" |
| 7899 | " /**/ /**/};" , |
| 7900 | getLLVMStyleWithColumns(39)); |
| 7901 | |
| 7902 | // Trailing comment in the first line. |
| 7903 | verifyFormat("vector<int> iiiiiiiiiiiiiii = { //\n" |
| 7904 | " 1111111111, 2222222222, 33333333333, 4444444444, //\n" |
| 7905 | " 111111111, 222222222, 3333333333, 444444444, //\n" |
| 7906 | " 11111111, 22222222, 333333333, 44444444};" ); |
| 7907 | // Trailing comment in the last line. |
| 7908 | verifyFormat("int aaaaa[] = {\n" |
| 7909 | " 1, 2, 3, // comment\n" |
| 7910 | " 4, 5, 6 // comment\n" |
| 7911 | "};" ); |
| 7912 | |
| 7913 | // With nested lists, we should either format one item per line or all nested |
| 7914 | // lists one on line. |
| 7915 | // FIXME: For some nested lists, we can do better. |
| 7916 | verifyFormat("return {{aaaaaaaaaaaaaaaaaaaaa},\n" |
| 7917 | " {aaaaaaaaaaaaaaaaaaa},\n" |
| 7918 | " {aaaaaaaaaaaaaaaaaaaaa},\n" |
| 7919 | " {aaaaaaaaaaaaaaaaa}};" , |
| 7920 | getLLVMStyleWithColumns(60)); |
| 7921 | verifyFormat( |
| 7922 | "SomeStruct my_struct_array = {\n" |
| 7923 | " {aaaaaa, aaaaaaaa, aaaaaaaaaa, aaaaaaaaa, aaaaaaaaa, aaaaaaaaaa,\n" |
| 7924 | " aaaaaaaaaaaaa, aaaaaaa, aaa},\n" |
| 7925 | " {aaa, aaa},\n" |
| 7926 | " {aaa, aaa},\n" |
| 7927 | " {aaaa, aaaa, aaaa, aaaa, aaaa, aaaa, aaaa, aaa},\n" |
| 7928 | " {aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 7929 | " aaaaaaaaaaaa, a, aaaaaaaaaa, aaaaaaaaa, aaa}};" ); |
| 7930 | |
| 7931 | // No column layout should be used here. |
| 7932 | verifyFormat("aaaaaaaaaaaaaaa = {aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 0, 0,\n" |
| 7933 | " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb};" ); |
| 7934 | |
| 7935 | verifyNoCrash("a<," ); |
| 7936 | |
| 7937 | // No braced initializer here. |
| 7938 | verifyFormat("void f() {\n" |
| 7939 | " struct Dummy {};\n" |
| 7940 | " f(v);\n" |
| 7941 | "}" ); |
| 7942 | |
| 7943 | // Long lists should be formatted in columns even if they are nested. |
| 7944 | verifyFormat( |
| 7945 | "vector<int> x = function({1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7946 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7947 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7948 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7949 | " 1, 22, 333, 4444, 55555, 666666, 7777777,\n" |
| 7950 | " 1, 22, 333, 4444, 55555, 666666, 7777777});" ); |
| 7951 | |
| 7952 | // Allow "single-column" layout even if that violates the column limit. There |
| 7953 | // isn't going to be a better way. |
| 7954 | verifyFormat("std::vector<int> a = {\n" |
| 7955 | " aaaaaaaa,\n" |
| 7956 | " aaaaaaaa,\n" |
| 7957 | " aaaaaaaa,\n" |
| 7958 | " aaaaaaaa,\n" |
| 7959 | " aaaaaaaaaa,\n" |
| 7960 | " aaaaaaaa,\n" |
| 7961 | " aaaaaaaaaaaaaaaaaaaaaaaaaaa};" , |
| 7962 | getLLVMStyleWithColumns(30)); |
| 7963 | verifyFormat("vector<int> aaaa = {\n" |
| 7964 | " aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 7965 | " aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| 7966 | " aaaaaa.aaaaaaa,\n" |
| 7967 | " aaaaaa.aaaaaaa,\n" |
| 7968 | " aaaaaa.aaaaaaa,\n" |
| 7969 | " aaaaaa.aaaaaaa,\n" |
| 7970 | "};" ); |
| 7971 | |
| 7972 | // Don't create hanging lists. |
| 7973 | verifyFormat("someFunction(Param, {List1, List2,\n" |
| 7974 | " List3});" , |
| 7975 | getLLVMStyleWithColumns(35)); |
| 7976 | verifyFormat("someFunction(Param, Param,\n" |
| 7977 | " {List1, List2,\n" |
| 7978 | " List3});" , |
| 7979 | getLLVMStyleWithColumns(35)); |
| 7980 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa, {},\n" |
| 7981 | " aaaaaaaaaaaaaaaaaaaaaaa);" ); |
| 7982 | } |
| 7983 | |
| 7984 | TEST_F(FormatTest, PullTrivialFunctionDefinitionsIntoSingleLine) { |
| 7985 | FormatStyle DoNotMerge = getLLVMStyle(); |
| 7986 | DoNotMerge.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None; |
| 7987 | |
| 7988 | verifyFormat("void f() { return 42; }" ); |
| 7989 | verifyFormat("void f() {\n" |
| 7990 | " return 42;\n" |
| 7991 | "}" , |
| 7992 | DoNotMerge); |
| 7993 | verifyFormat("void f() {\n" |
| 7994 | " // Comment\n" |
| 7995 | "}" ); |
| 7996 | verifyFormat("{\n" |
| 7997 | "#error {\n" |
| 7998 | " int a;\n" |
| 7999 | "}" ); |
| 8000 | verifyFormat("{\n" |
| 8001 | " int a;\n" |
| 8002 | "#error {\n" |
| 8003 | "}" ); |
| 8004 | verifyFormat("void f() {} // comment" ); |
| 8005 | verifyFormat("void f() { int a; } // comment" ); |
| 8006 | verifyFormat("void f() {\n" |
| 8007 | "} // comment" , |
| 8008 | DoNotMerge); |
| 8009 | verifyFormat("void f() {\n" |
| 8010 | " int a;\n" |
| 8011 | "} // comment" , |
| 8012 | DoNotMerge); |
| 8013 | verifyFormat("void f() {\n" |
| 8014 | "} // comment" , |
| 8015 | getLLVMStyleWithColumns(15)); |
| 8016 | |
| 8017 | verifyFormat("void f() { return 42; }" , getLLVMStyleWithColumns(23)); |
| 8018 | verifyFormat("void f() {\n return 42;\n}" , getLLVMStyleWithColumns(22)); |
| 8019 | |
| 8020 | verifyFormat("void f() {}" , getLLVMStyleWithColumns(11)); |
| 8021 | verifyFormat("void f() {\n}" , getLLVMStyleWithColumns(10)); |
| 8022 | verifyFormat("class C {\n" |
| 8023 | " C()\n" |
| 8024 | " : iiiiiiii(nullptr),\n" |
| 8025 | " kkkkkkk(nullptr),\n" |
| 8026 | " mmmmmmm(nullptr),\n" |
| 8027 | " nnnnnnn(nullptr) {}\n" |
| 8028 | "};" , |
| 8029 | getGoogleStyle()); |
| 8030 | |
| 8031 | FormatStyle NoColumnLimit = getLLVMStyle(); |
| 8032 | NoColumnLimit.ColumnLimit = 0; |
| 8033 | EXPECT_EQ("A() : b(0) {}" , format("A():b(0){}" , NoColumnLimit)); |
| 8034 | EXPECT_EQ("class C {\n" |
| 8035 | " A() : b(0) {}\n" |
| 8036 | "};" , |
| 8037 | format("class C{A():b(0){}};" , NoColumnLimit)); |
| 8038 | EXPECT_EQ("A()\n" |
| 8039 | " : b(0) {\n" |
| 8040 | "}" , |
| 8041 | format("A()\n:b(0)\n{\n}" , NoColumnLimit)); |
| 8042 | |
| 8043 | FormatStyle DoNotMergeNoColumnLimit = NoColumnLimit; |
| 8044 | DoNotMergeNoColumnLimit.AllowShortFunctionsOnASingleLine = |
| 8045 | FormatStyle::SFS_None; |
| 8046 | EXPECT_EQ("A()\n" |
| 8047 | " : b(0) {\n" |
| 8048 | "}" , |
| 8049 | format("A():b(0){}" , DoNotMergeNoColumnLimit)); |
| 8050 | EXPECT_EQ("A()\n" |
| 8051 | " : b(0) {\n" |
| 8052 | "}" , |
| 8053 | format("A()\n:b(0)\n{\n}" , DoNotMergeNoColumnLimit)); |
| 8054 | |
| 8055 | verifyFormat("#define A \\\n" |
| 8056 | " void f() { \\\n" |
| 8057 | " int i; \\\n" |
| 8058 | " }" , |
| 8059 | getLLVMStyleWithColumns(20)); |
| 8060 | verifyFormat("#define A \\\n" |
| 8061 | " void f() { int i; }" , |
| 8062 | getLLVMStyleWithColumns(21)); |
| 8063 | verifyFormat("#define A \\\n" |
| 8064 | " void f() { \\\n" |
| 8065 | " int i; \\\n" |
| 8066 | " } \\\n" |
| 8067 | " int j;" , |
| 8068 | getLLVMStyleWithColumns(22)); |
| 8069 | verifyFormat("#define A \\\n" |
| 8070 | " void f() { int i; } \\\n" |
| 8071 | " int j;" , |
| 8072 | getLLVMStyleWithColumns(23)); |
| 8073 | } |
| 8074 | |
| 8075 | TEST_F(FormatTest, PullEmptyFunctionDefinitionsIntoSingleLine) { |
| 8076 | FormatStyle MergeEmptyOnly = getLLVMStyle(); |
| 8077 | MergeEmptyOnly.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Empty; |
| 8078 | verifyFormat("class C {\n" |
| 8079 | " int f() {}\n" |
| 8080 | "};" , |
| 8081 | MergeEmptyOnly); |
| 8082 | verifyFormat("class C {\n" |
| 8083 | " int f() {\n" |
| 8084 | " return 42;\n" |
| 8085 | " }\n" |
| 8086 | "};" , |
| 8087 | MergeEmptyOnly); |
| 8088 | verifyFormat("int f() {}" , MergeEmptyOnly); |
| 8089 | verifyFormat("int f() {\n" |
| 8090 | " return 42;\n" |
| 8091 | "}" , |
| 8092 | MergeEmptyOnly); |
| 8093 | |
| 8094 | // Also verify behavior when BraceWrapping.AfterFunction = true |
| 8095 | MergeEmptyOnly.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8096 | MergeEmptyOnly.BraceWrapping.AfterFunction = true; |
| 8097 | verifyFormat("int f() {}" , MergeEmptyOnly); |
| 8098 | verifyFormat("class C {\n" |
| 8099 | " int f() {}\n" |
| 8100 | "};" , |
| 8101 | MergeEmptyOnly); |
| 8102 | } |
| 8103 | |
| 8104 | TEST_F(FormatTest, PullInlineFunctionDefinitionsIntoSingleLine) { |
| 8105 | FormatStyle MergeInlineOnly = getLLVMStyle(); |
| 8106 | MergeInlineOnly.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline; |
| 8107 | verifyFormat("class C {\n" |
| 8108 | " int f() { return 42; }\n" |
| 8109 | "};" , |
| 8110 | MergeInlineOnly); |
| 8111 | verifyFormat("int f() {\n" |
| 8112 | " return 42;\n" |
| 8113 | "}" , |
| 8114 | MergeInlineOnly); |
| 8115 | |
| 8116 | // SFS_Inline implies SFS_Empty |
| 8117 | verifyFormat("class C {\n" |
| 8118 | " int f() {}\n" |
| 8119 | "};" , |
| 8120 | MergeInlineOnly); |
| 8121 | verifyFormat("int f() {}" , MergeInlineOnly); |
| 8122 | |
| 8123 | // Also verify behavior when BraceWrapping.AfterFunction = true |
| 8124 | MergeInlineOnly.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8125 | MergeInlineOnly.BraceWrapping.AfterFunction = true; |
| 8126 | verifyFormat("class C {\n" |
| 8127 | " int f() { return 42; }\n" |
| 8128 | "};" , |
| 8129 | MergeInlineOnly); |
| 8130 | verifyFormat("int f()\n" |
| 8131 | "{\n" |
| 8132 | " return 42;\n" |
| 8133 | "}" , |
| 8134 | MergeInlineOnly); |
| 8135 | |
| 8136 | // SFS_Inline implies SFS_Empty |
| 8137 | verifyFormat("int f() {}" , MergeInlineOnly); |
| 8138 | verifyFormat("class C {\n" |
| 8139 | " int f() {}\n" |
| 8140 | "};" , |
| 8141 | MergeInlineOnly); |
| 8142 | } |
| 8143 | |
| 8144 | TEST_F(FormatTest, PullInlineOnlyFunctionDefinitionsIntoSingleLine) { |
| 8145 | FormatStyle MergeInlineOnly = getLLVMStyle(); |
| 8146 | MergeInlineOnly.AllowShortFunctionsOnASingleLine = |
| 8147 | FormatStyle::SFS_InlineOnly; |
| 8148 | verifyFormat("class C {\n" |
| 8149 | " int f() { return 42; }\n" |
| 8150 | "};" , |
| 8151 | MergeInlineOnly); |
| 8152 | verifyFormat("int f() {\n" |
| 8153 | " return 42;\n" |
| 8154 | "}" , |
| 8155 | MergeInlineOnly); |
| 8156 | |
| 8157 | // SFS_InlineOnly does not imply SFS_Empty |
| 8158 | verifyFormat("class C {\n" |
| 8159 | " int f() {}\n" |
| 8160 | "};" , |
| 8161 | MergeInlineOnly); |
| 8162 | verifyFormat("int f() {\n" |
| 8163 | "}" , |
| 8164 | MergeInlineOnly); |
| 8165 | |
| 8166 | // Also verify behavior when BraceWrapping.AfterFunction = true |
| 8167 | MergeInlineOnly.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8168 | MergeInlineOnly.BraceWrapping.AfterFunction = true; |
| 8169 | verifyFormat("class C {\n" |
| 8170 | " int f() { return 42; }\n" |
| 8171 | "};" , |
| 8172 | MergeInlineOnly); |
| 8173 | verifyFormat("int f()\n" |
| 8174 | "{\n" |
| 8175 | " return 42;\n" |
| 8176 | "}" , |
| 8177 | MergeInlineOnly); |
| 8178 | |
| 8179 | // SFS_InlineOnly does not imply SFS_Empty |
| 8180 | verifyFormat("int f()\n" |
| 8181 | "{\n" |
| 8182 | "}" , |
| 8183 | MergeInlineOnly); |
| 8184 | verifyFormat("class C {\n" |
| 8185 | " int f() {}\n" |
| 8186 | "};" , |
| 8187 | MergeInlineOnly); |
| 8188 | } |
| 8189 | |
| 8190 | TEST_F(FormatTest, SplitEmptyFunction) { |
| 8191 | FormatStyle Style = getLLVMStyle(); |
| 8192 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None; |
| 8193 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8194 | Style.BraceWrapping.AfterFunction = true; |
| 8195 | Style.BraceWrapping.SplitEmptyFunction = false; |
| 8196 | Style.ColumnLimit = 40; |
| 8197 | |
| 8198 | verifyFormat("int f()\n" |
| 8199 | "{}" , |
| 8200 | Style); |
| 8201 | verifyFormat("int f()\n" |
| 8202 | "{\n" |
| 8203 | " return 42;\n" |
| 8204 | "}" , |
| 8205 | Style); |
| 8206 | verifyFormat("int f()\n" |
| 8207 | "{\n" |
| 8208 | " // some comment\n" |
| 8209 | "}" , |
| 8210 | Style); |
| 8211 | |
| 8212 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Empty; |
| 8213 | verifyFormat("int f() {}" , Style); |
| 8214 | verifyFormat("int aaaaaaaaaaaaaa(int bbbbbbbbbbbbbb)\n" |
| 8215 | "{}" , |
| 8216 | Style); |
| 8217 | verifyFormat("int f()\n" |
| 8218 | "{\n" |
| 8219 | " return 0;\n" |
| 8220 | "}" , |
| 8221 | Style); |
| 8222 | |
| 8223 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline; |
| 8224 | verifyFormat("class Foo {\n" |
| 8225 | " int f() {}\n" |
| 8226 | "};\n" , |
| 8227 | Style); |
| 8228 | verifyFormat("class Foo {\n" |
| 8229 | " int f() { return 0; }\n" |
| 8230 | "};\n" , |
| 8231 | Style); |
| 8232 | verifyFormat("class Foo {\n" |
| 8233 | " int aaaaaaaaaaaaaa(int bbbbbbbbbbbbbb)\n" |
| 8234 | " {}\n" |
| 8235 | "};\n" , |
| 8236 | Style); |
| 8237 | verifyFormat("class Foo {\n" |
| 8238 | " int aaaaaaaaaaaaaa(int bbbbbbbbbbbbbb)\n" |
| 8239 | " {\n" |
| 8240 | " return 0;\n" |
| 8241 | " }\n" |
| 8242 | "};\n" , |
| 8243 | Style); |
| 8244 | |
| 8245 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All; |
| 8246 | verifyFormat("int f() {}" , Style); |
| 8247 | verifyFormat("int f() { return 0; }" , Style); |
| 8248 | verifyFormat("int aaaaaaaaaaaaaa(int bbbbbbbbbbbbbb)\n" |
| 8249 | "{}" , |
| 8250 | Style); |
| 8251 | verifyFormat("int aaaaaaaaaaaaaa(int bbbbbbbbbbbbbb)\n" |
| 8252 | "{\n" |
| 8253 | " return 0;\n" |
| 8254 | "}" , |
| 8255 | Style); |
| 8256 | } |
| 8257 | TEST_F(FormatTest, KeepShortFunctionAfterPPElse) { |
| 8258 | FormatStyle Style = getLLVMStyle(); |
| 8259 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All; |
| 8260 | verifyFormat("#ifdef A\n" |
| 8261 | "int f() {}\n" |
| 8262 | "#else\n" |
| 8263 | "int g() {}\n" |
| 8264 | "#endif" , |
| 8265 | Style); |
| 8266 | } |
| 8267 | |
| 8268 | TEST_F(FormatTest, SplitEmptyClass) { |
| 8269 | FormatStyle Style = getLLVMStyle(); |
| 8270 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8271 | Style.BraceWrapping.AfterClass = true; |
| 8272 | Style.BraceWrapping.SplitEmptyRecord = false; |
| 8273 | |
| 8274 | verifyFormat("class Foo\n" |
| 8275 | "{};" , |
| 8276 | Style); |
| 8277 | verifyFormat("/* something */ class Foo\n" |
| 8278 | "{};" , |
| 8279 | Style); |
| 8280 | verifyFormat("template <typename X> class Foo\n" |
| 8281 | "{};" , |
| 8282 | Style); |
| 8283 | verifyFormat("class Foo\n" |
| 8284 | "{\n" |
| 8285 | " Foo();\n" |
| 8286 | "};" , |
| 8287 | Style); |
| 8288 | verifyFormat("typedef class Foo\n" |
| 8289 | "{\n" |
| 8290 | "} Foo_t;" , |
| 8291 | Style); |
| 8292 | } |
| 8293 | |
| 8294 | TEST_F(FormatTest, SplitEmptyStruct) { |
| 8295 | FormatStyle Style = getLLVMStyle(); |
| 8296 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8297 | Style.BraceWrapping.AfterStruct = true; |
| 8298 | Style.BraceWrapping.SplitEmptyRecord = false; |
| 8299 | |
| 8300 | verifyFormat("struct Foo\n" |
| 8301 | "{};" , |
| 8302 | Style); |
| 8303 | verifyFormat("/* something */ struct Foo\n" |
| 8304 | "{};" , |
| 8305 | Style); |
| 8306 | verifyFormat("template <typename X> struct Foo\n" |
| 8307 | "{};" , |
| 8308 | Style); |
| 8309 | verifyFormat("struct Foo\n" |
| 8310 | "{\n" |
| 8311 | " Foo();\n" |
| 8312 | "};" , |
| 8313 | Style); |
| 8314 | verifyFormat("typedef struct Foo\n" |
| 8315 | "{\n" |
| 8316 | "} Foo_t;" , |
| 8317 | Style); |
| 8318 | //typedef struct Bar {} Bar_t; |
| 8319 | } |
| 8320 | |
| 8321 | TEST_F(FormatTest, SplitEmptyUnion) { |
| 8322 | FormatStyle Style = getLLVMStyle(); |
| 8323 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8324 | Style.BraceWrapping.AfterUnion = true; |
| 8325 | Style.BraceWrapping.SplitEmptyRecord = false; |
| 8326 | |
| 8327 | verifyFormat("union Foo\n" |
| 8328 | "{};" , |
| 8329 | Style); |
| 8330 | verifyFormat("/* something */ union Foo\n" |
| 8331 | "{};" , |
| 8332 | Style); |
| 8333 | verifyFormat("union Foo\n" |
| 8334 | "{\n" |
| 8335 | " A,\n" |
| 8336 | "};" , |
| 8337 | Style); |
| 8338 | verifyFormat("typedef union Foo\n" |
| 8339 | "{\n" |
| 8340 | "} Foo_t;" , |
| 8341 | Style); |
| 8342 | } |
| 8343 | |
| 8344 | TEST_F(FormatTest, SplitEmptyNamespace) { |
| 8345 | FormatStyle Style = getLLVMStyle(); |
| 8346 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8347 | Style.BraceWrapping.AfterNamespace = true; |
| 8348 | Style.BraceWrapping.SplitEmptyNamespace = false; |
| 8349 | |
| 8350 | verifyFormat("namespace Foo\n" |
| 8351 | "{};" , |
| 8352 | Style); |
| 8353 | verifyFormat("/* something */ namespace Foo\n" |
| 8354 | "{};" , |
| 8355 | Style); |
| 8356 | verifyFormat("inline namespace Foo\n" |
| 8357 | "{};" , |
| 8358 | Style); |
| 8359 | verifyFormat("/* something */ inline namespace Foo\n" |
| 8360 | "{};" , |
| 8361 | Style); |
| 8362 | verifyFormat("export namespace Foo\n" |
| 8363 | "{};" , |
| 8364 | Style); |
| 8365 | verifyFormat("namespace Foo\n" |
| 8366 | "{\n" |
| 8367 | "void Bar();\n" |
| 8368 | "};" , |
| 8369 | Style); |
| 8370 | } |
| 8371 | |
| 8372 | TEST_F(FormatTest, NeverMergeShortRecords) { |
| 8373 | FormatStyle Style = getLLVMStyle(); |
| 8374 | |
| 8375 | verifyFormat("class Foo {\n" |
| 8376 | " Foo();\n" |
| 8377 | "};" , |
| 8378 | Style); |
| 8379 | verifyFormat("typedef class Foo {\n" |
| 8380 | " Foo();\n" |
| 8381 | "} Foo_t;" , |
| 8382 | Style); |
| 8383 | verifyFormat("struct Foo {\n" |
| 8384 | " Foo();\n" |
| 8385 | "};" , |
| 8386 | Style); |
| 8387 | verifyFormat("typedef struct Foo {\n" |
| 8388 | " Foo();\n" |
| 8389 | "} Foo_t;" , |
| 8390 | Style); |
| 8391 | verifyFormat("union Foo {\n" |
| 8392 | " A,\n" |
| 8393 | "};" , |
| 8394 | Style); |
| 8395 | verifyFormat("typedef union Foo {\n" |
| 8396 | " A,\n" |
| 8397 | "} Foo_t;" , |
| 8398 | Style); |
| 8399 | verifyFormat("namespace Foo {\n" |
| 8400 | "void Bar();\n" |
| 8401 | "};" , |
| 8402 | Style); |
| 8403 | |
| 8404 | Style.BreakBeforeBraces = FormatStyle::BS_Custom; |
| 8405 | Style.BraceWrapping.AfterClass = true; |
| 8406 | Style.BraceWrapping.AfterStruct = true; |
| 8407 | Style.BraceWrapping.AfterUnion = true; |
| 8408 | Style.BraceWrapping.AfterNamespace = true; |
| 8409 | verifyFormat("class Foo\n" |
| 8410 | "{\n" |
| 8411 | " Foo();\n" |
| 8412 | "};" , |
| 8413 | Style); |
| 8414 | verifyFormat("typedef class Foo\n" |
| 8415 | "{\n" |
| 8416 | " Foo();\n" |
| 8417 | "} Foo_t;" , |
| 8418 | Style); |
| 8419 | verifyFormat("struct Foo\n" |
| 8420 | "{\n" |
| 8421 | " Foo();\n" |
| 8422 | "};" , |
| 8423 | Style); |
| 8424 | verifyFormat("typedef struct Foo\n" |
| 8425 | "{\n" |
| 8426 | " Foo();\n" |
| 8427 | "} Foo_t;" , |
| 8428 | Style); |
| 8429 | verifyFormat("union Foo\n" |
| 8430 | "{\n" |
| 8431 | " A,\n" |
| 8432 | "};" , |
| 8433 | Style); |
| 8434 | verifyFormat("typedef union Foo\n" |
| 8435 | "{\n" |
| 8436 | " A,\n" |
| 8437 | "} Foo_t;" , |
| 8438 | Style); |
| 8439 | verifyFormat("namespace Foo\n" |
| 8440 | "{\n" |
| 8441 | "void Bar();\n" |
| 8442 | "};" , |
| 8443 | Style); |
| 8444 | } |
| 8445 | |
| 8446 | TEST_F(FormatTest, UnderstandContextOfRecordTypeKeywords) { |
| 8447 | // Elaborate type variable declarations. |
| 8448 | verifyFormat("struct foo a = {bar};\nint n;" ); |
| 8449 | verifyFormat("class foo a = {bar};\nint n;" ); |
| 8450 | verifyFormat("union foo a = {bar};\nint n;" ); |
| 8451 | |
| 8452 | // Elaborate types inside function definitions. |
| 8453 | verifyFormat("struct foo f() {}\nint n;" ); |
| 8454 | verifyFormat("class foo f() {}\nint n;" ); |
| 8455 | verifyFormat("union foo f() {}\nint n;" ); |
| 8456 | |
| 8457 | // Templates. |
| 8458 | verifyFormat("template <class X> void f() {}\nint n;" ); |
| 8459 | verifyFormat("template <struct X> void f() {}\nint n;" ); |
| 8460 | verifyFormat("template <union X> void f() {}\nint n;" ); |
| 8461 | |
| 8462 | // Actual definitions... |
| 8463 | verifyFormat("struct {\n} n;" ); |
| 8464 | verifyFormat( |
| 8465 | "template <template <class T, class Y>, class Z> class X {\n} n;" ); |
| 8466 | verifyFormat("union Z {\n int n;\n} x;" ); |
| 8467 | verifyFormat("class MACRO Z {\n} n;" ); |
| 8468 | verifyFormat("class MACRO(X) Z {\n} n;" ); |
| 8469 | verifyFormat("class __attribute__(X) Z {\n} n;" ); |
| 8470 | verifyFormat("class __declspec(X) Z {\n} n;" ); |
| 8471 | verifyFormat("class A##B##C {\n} n;" ); |
| 8472 | verifyFormat("class alignas(16) Z {\n} n;" ); |
| 8473 | verifyFormat("class MACRO(X) alignas(16) Z {\n} n;" ); |
| 8474 | verifyFormat("class MACROA MACRO(X) Z {\n} n;" ); |
| 8475 | |
| 8476 | // Redefinition from nested context: |
| 8477 | verifyFormat("class A::B::C {\n} n;" ); |
| 8478 | |
| 8479 | // Template definitions. |
| 8480 | verifyFormat( |
| 8481 | "template <typename F>\n" |
| 8482 | "Matcher(const Matcher<F> &Other,\n" |
| 8483 | " typename enable_if_c<is_base_of<F, T>::value &&\n" |
| 8484 | " !is_same<F, T>::value>::type * = 0)\n" |
| 8485 | " : Implementation(new ImplicitCastMatcher<F>(Other)) {}" ); |
| 8486 | |
| 8487 | // FIXME: This is still incorrectly handled at the formatter side. |
| 8488 | verifyFormat("template <> struct X < 15, i<3 && 42 < 50 && 33 < 28> {};" ); |
| 8489 | verifyFormat("int i = SomeFunction(a<b, a> b);" ); |
| 8490 | |
| 8491 | // FIXME: |
| 8492 | // This now gets parsed incorrectly as class definition. |
| 8493 | // verifyFormat("class A<int> f() {\n}\nint n;"); |
| 8494 | |
| 8495 | // Elaborate types where incorrectly parsing the structural element would |
| 8496 | // break the indent. |
| 8497 | verifyFormat("if (true)\n" |
| 8498 | " class X x;\n" |
| 8499 | "else\n" |
| 8500 | " f();\n" ); |
| 8501 | |
| 8502 | // This is simply incomplete. Formatting is not important, but must not crash. |
| 8503 | verifyFormat("class A:" ); |
| 8504 | } |
| 8505 | |
| 8506 | TEST_F(FormatTest, DoNotInterfereWithErrorAndWarning) { |
| 8507 | EXPECT_EQ("#error Leave all white!!!!! space* alone!\n" , |
| 8508 | format("#error Leave all white!!!!! space* alone!\n" )); |
| 8509 | EXPECT_EQ( |
| 8510 | "#warning Leave all white!!!!! space* alone!\n" , |
| 8511 | format("#warning Leave all white!!!!! space* alone!\n" )); |
| 8512 | EXPECT_EQ("#error 1" , format(" # error 1" )); |
| 8513 | EXPECT_EQ("#warning 1" , format(" # warning 1" )); |
| 8514 | } |
| 8515 | |
| 8516 | TEST_F(FormatTest, FormatHashIfExpressions) { |
| 8517 | verifyFormat("#if AAAA && BBBB" ); |
| 8518 | verifyFormat("#if (AAAA && BBBB)" ); |
| 8519 | verifyFormat("#elif (AAAA && BBBB)" ); |
| 8520 | // FIXME: Come up with a better indentation for #elif. |
| 8521 | verifyFormat( |
| 8522 | "#if !defined(AAAAAAA) && (defined CCCCCC || defined DDDDDD) && \\\n" |
| 8523 | " defined(BBBBBBBB)\n" |
| 8524 | "#elif !defined(AAAAAA) && (defined CCCCC || defined DDDDDD) && \\\n" |
| 8525 | " defined(BBBBBBBB)\n" |
| 8526 | "#endif" , |
| 8527 | getLLVMStyleWithColumns(65)); |
| 8528 | } |
| 8529 | |
| 8530 | TEST_F(FormatTest, MergeHandlingInTheFaceOfPreprocessorDirectives) { |
| 8531 | FormatStyle AllowsMergedIf = getGoogleStyle(); |
| 8532 | AllowsMergedIf.AllowShortIfStatementsOnASingleLine = |
| 8533 | FormatStyle::SIS_WithoutElse; |
| 8534 | verifyFormat("void f() { f(); }\n#error E" , AllowsMergedIf); |
| 8535 | verifyFormat("if (true) return 42;\n#error E" , AllowsMergedIf); |
| 8536 | verifyFormat("if (true)\n#error E\n return 42;" , AllowsMergedIf); |
| 8537 | EXPECT_EQ("if (true) return 42;" , |
| 8538 | format("if (true)\nreturn 42;" , AllowsMergedIf)); |
| 8539 | FormatStyle ShortMergedIf = AllowsMergedIf; |
| 8540 | ShortMergedIf.ColumnLimit = 25; |
| 8541 | verifyFormat("#define A \\\n" |
| 8542 | " if (true) return 42;" , |
| 8543 | ShortMergedIf); |
| 8544 | verifyFormat("#define A \\\n" |
| 8545 | " f(); \\\n" |
| 8546 | " if (true)\n" |
| 8547 | "#define B" , |
| 8548 | ShortMergedIf); |
| 8549 | verifyFormat("#define A \\\n" |
| 8550 | " f(); \\\n" |
| 8551 | " if (true)\n" |
| 8552 | "g();" , |
| 8553 | ShortMergedIf); |
| 8554 | verifyFormat("{\n" |
| 8555 | "#ifdef A\n" |
| 8556 | " // Comment\n" |
| 8557 | " if (true) continue;\n" |
| 8558 | "#endif\n" |
| 8559 | " // Comment\n" |
| 8560 | " if (true) continue;\n" |
| 8561 | "}" , |
| 8562 | ShortMergedIf); |
| 8563 | ShortMergedIf.ColumnLimit = 33; |
| 8564 | verifyFormat("#define A \\\n" |
| 8565 | " if constexpr (true) return 42;" , |
| 8566 | ShortMergedIf); |
| 8567 | ShortMergedIf.ColumnLimit = 29; |
| 8568 | verifyFormat("#define A \\\n" |
| 8569 | " if (aaaaaaaaaa) return 1; \\\n" |
| 8570 | " return 2;" , |
| 8571 | ShortMergedIf); |
| 8572 | ShortMergedIf.ColumnLimit = 28; |
| 8573 | verifyFormat("#define A \\\n" |
| 8574 | " if (aaaaaaaaaa) \\\n" |
| 8575 | " return 1; \\\n" |
| 8576 | " return 2;" , |
| 8577 | ShortMergedIf); |
| 8578 | verifyFormat("#define A \\\n" |
| 8579 | " if constexpr (aaaaaaa) \\\n" |
| 8580 | " return 1; \\\n" |
| 8581 | " return 2;" , |
| 8582 | ShortMergedIf); |
| 8583 | } |
| 8584 | |
| 8585 | TEST_F(FormatTest, FormatStarDependingOnContext) { |
| 8586 | verifyFormat("void f(int *a);" ); |
| 8587 | verifyFormat("void f() { f(fint * b); }" ); |
| 8588 | verifyFormat("class A {\n void f(int *a);\n};" ); |
| 8589 | verifyFormat("class A {\n int *a;\n};" ); |
| 8590 | verifyFormat("namespace a {\n" |
| 8591 | "namespace b {\n" |
| 8592 | "class A {\n" |
| 8593 | " void f() {}\n" |
| 8594 | " int *a;\n" |
| 8595 | "};\n" |
| 8596 | "} // namespace b\n" |
| 8597 | "} // namespace a" ); |
| 8598 | } |
| 8599 | |
| 8600 | TEST_F(FormatTest, SpecialTokensAtEndOfLine) { |
| 8601 | verifyFormat("while" ); |
| 8602 | verifyFormat("operator" ); |
| 8603 | } |
| 8604 | |
| 8605 | TEST_F(FormatTest, SkipsDeeplyNestedLines) { |
| 8606 | // This code would be painfully slow to format if we didn't skip it. |
| 8607 | std::string Code("A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(\n" // 20x |
| 8608 | "A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(\n" |
| 8609 | "A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(\n" |
| 8610 | "A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(\n" |
| 8611 | "A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(A(\n" |
| 8612 | "A(1, 1)\n" |
| 8613 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" // 10x |
| 8614 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8615 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8616 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8617 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8618 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8619 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8620 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8621 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1)\n" |
| 8622 | ", 1), 1), 1), 1), 1), 1), 1), 1), 1), 1);\n" ); |
| 8623 | // Deeply nested part is untouched, rest is formatted. |
| 8624 | EXPECT_EQ(std::string("int i;\n" ) + Code + "int j;\n" , |
| 8625 | format(std::string("int i;\n" ) + Code + "int j;\n" , |
| 8626 | getLLVMStyle(), SC_ExpectIncomplete)); |
| 8627 | } |
| 8628 | |
| 8629 | //===----------------------------------------------------------------------===// |
| 8630 | // Objective-C tests. |
| 8631 | //===----------------------------------------------------------------------===// |
| 8632 | |
| 8633 | TEST_F(FormatTest, FormatForObjectiveCMethodDecls) { |
| 8634 | verifyFormat("- (void)sendAction:(SEL)aSelector to:(BOOL)anObject;" ); |
| 8635 | EXPECT_EQ("- (NSUInteger)indexOfObject:(id)anObject;" , |
| 8636 | format("-(NSUInteger)indexOfObject:(id)anObject;" )); |
| 8637 | EXPECT_EQ("- (NSInteger)Mthod1;" , format("-(NSInteger)Mthod1;" )); |
| 8638 | EXPECT_EQ("+ (id)Mthod2;" , format("+(id)Mthod2;" )); |
| 8639 | EXPECT_EQ("- (NSInteger)Method3:(id)anObject;" , |
| 8640 | format("-(NSInteger)Method3:(id)anObject;" )); |
| 8641 | EXPECT_EQ("- (NSInteger)Method4:(id)anObject;" , |
| 8642 | format("-(NSInteger)Method4:(id)anObject;" )); |
| 8643 | EXPECT_EQ("- (NSInteger)Method5:(id)anObject:(id)AnotherObject;" , |
| 8644 | format("-(NSInteger)Method5:(id)anObject:(id)AnotherObject;" )); |
| 8645 | EXPECT_EQ("- (id)Method6:(id)A:(id)B:(id)C:(id)D;" , |
| 8646 | format("- (id)Method6:(id)A:(id)B:(id)C:(id)D;" )); |
| 8647 | EXPECT_EQ("- (void)sendAction:(SEL)aSelector to:(id)anObject " |
| 8648 | "forAllCells:(BOOL)flag;" , |
| 8649 | format("- (void)sendAction:(SEL)aSelector to:(id)anObject " |
| 8650 | "forAllCells:(BOOL)flag;" )); |
| 8651 | |
| 8652 | // Very long objectiveC method declaration. |
| 8653 | verifyFormat("- (void)aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa:\n" |
| 8654 | " (SoooooooooooooooooooooomeType *)bbbbbbbbbb;" ); |
| 8655 | verifyFormat("- (NSUInteger)indexOfObject:(id)anObject\n" |
| 8656 | " inRange:(NSRange)range\n" |
| 8657 | " outRange:(NSRange)out_range\n" |
| 8658 | " outRange1:(NSRange)out_range1\n" |
| 8659 | " outRange2:(NSRange)out_range2\n" |
| 8660 | " outRange3:(NSRange)out_range3\n" |
| 8661 | " outRange4:(NSRange)out_range4\n" |
| 8662 | " outRange5:(NSRange)out_range5\n" |
| 8663 | " outRange6:(NSRange)out_range6\n" |
| 8664 | " outRange7:(NSRange)out_range7\n" |
| 8665 | " outRange8:(NSRange)out_range8\n" |
| 8666 | " outRange9:(NSRange)out_range9;" ); |
| 8667 | |
| 8668 | // When the function name has to be wrapped. |
| 8669 | FormatStyle Style = getLLVMStyle(); |
| 8670 | // ObjC ignores IndentWrappedFunctionNames when wrapping methods |
| 8671 | // and always indents instead. |
| 8672 | Style.IndentWrappedFunctionNames = false; |
| 8673 | verifyFormat("- (SomeLooooooooooooooooooooongType *)\n" |
| 8674 | " veryLooooooooooongName:(NSString)aaaaaaaaaaaaaa\n" |
| 8675 | " anotherName:(NSString)bbbbbbbbbbbbbb {\n" |
| 8676 | "}" , |
| 8677 | Style); |
| 8678 | Style.IndentWrappedFunctionNames = true; |
| 8679 | verifyFormat("- (SomeLooooooooooooooooooooongType *)\n" |
| 8680 | " veryLooooooooooongName:(NSString)cccccccccccccc\n" |
| 8681 | " anotherName:(NSString)dddddddddddddd {\n" |
| 8682 | "}" , |
| 8683 | Style); |
| 8684 | |
| 8685 | verifyFormat("- (int)sum:(vector<int>)numbers;" ); |
| 8686 | verifyGoogleFormat("- (void)setDelegate:(id<Protocol>)delegate;" ); |
| 8687 | // FIXME: In LLVM style, there should be a space in front of a '<' for ObjC |
| 8688 | // protocol lists (but not for template classes): |
| 8689 | // verifyFormat("- (void)setDelegate:(id <Protocol>)delegate;"); |
| 8690 | |
| 8691 | verifyFormat("- (int (*)())foo:(int (*)())f;" ); |
| 8692 | verifyGoogleFormat("- (int (*)())foo:(int (*)())foo;" ); |
| 8693 | |
| 8694 | // If there's no return type (very rare in practice!), LLVM and Google style |
| 8695 | // agree. |
| 8696 | verifyFormat("- foo;" ); |
| 8697 | verifyFormat("- foo:(int)f;" ); |
| 8698 | verifyGoogleFormat("- foo:(int)foo;" ); |
| 8699 | } |
| 8700 | |
| 8701 | |
| 8702 | TEST_F(FormatTest, BreaksStringLiterals) { |
| 8703 | EXPECT_EQ("\"some text \"\n" |
| 8704 | "\"other\";" , |
| 8705 | format("\"some text other\";" , getLLVMStyleWithColumns(12))); |
| 8706 | EXPECT_EQ("\"some text \"\n" |
| 8707 | "\"other\";" , |
| 8708 | format("\\\n\"some text other\";" , getLLVMStyleWithColumns(12))); |
| 8709 | EXPECT_EQ( |
| 8710 | "#define A \\\n" |
| 8711 | " \"some \" \\\n" |
| 8712 | " \"text \" \\\n" |
| 8713 | " \"other\";" , |
| 8714 | format("#define A \"some text other\";" , getLLVMStyleWithColumns(12))); |
| 8715 | EXPECT_EQ( |
| 8716 | "#define A \\\n" |
| 8717 | " \"so \" \\\n" |
| 8718 | " \"text \" \\\n" |
| 8719 | " \"other\";" , |
| 8720 | format("#define A \"so text other\";" , getLLVMStyleWithColumns(12))); |
| 8721 | |
| 8722 | EXPECT_EQ("\"some text\"" , |
| 8723 | format("\"some text\"" , getLLVMStyleWithColumns(1))); |
| 8724 | EXPECT_EQ("\"some text\"" , |
| 8725 | format("\"some text\"" , getLLVMStyleWithColumns(11))); |
| 8726 | EXPECT_EQ("\"some \"\n" |
| 8727 | "\"text\"" , |
| 8728 | format("\"some text\"" , getLLVMStyleWithColumns(10))); |
| 8729 | EXPECT_EQ("\"some \"\n" |
| 8730 | "\"text\"" , |
| 8731 | format("\"some text\"" , getLLVMStyleWithColumns(7))); |
| 8732 | EXPECT_EQ("\"some\"\n" |
| 8733 | "\" tex\"\n" |
| 8734 | "\"t\"" , |
| 8735 | format("\"some text\"" , getLLVMStyleWithColumns(6))); |
| 8736 | EXPECT_EQ("\"some\"\n" |
| 8737 | "\" tex\"\n" |
| 8738 | "\" and\"" , |
| 8739 | format("\"some tex and\"" , getLLVMStyleWithColumns(6))); |
| 8740 | EXPECT_EQ("\"some\"\n" |
| 8741 | "\"/tex\"\n" |
| 8742 | "\"/and\"" , |
| 8743 | format("\"some/tex/and\"" , getLLVMStyleWithColumns(6))); |
| 8744 | |
| 8745 | EXPECT_EQ("variable =\n" |
| 8746 | " \"long string \"\n" |
| 8747 | " \"literal\";" , |
| 8748 | format("variable = \"long string literal\";" , |
| 8749 | getLLVMStyleWithColumns(20))); |
| 8750 | |
| 8751 | EXPECT_EQ("variable = f(\n" |
| 8752 | " \"long string \"\n" |
| 8753 | " \"literal\",\n" |
| 8754 | " short,\n" |
| 8755 | " loooooooooooooooooooong);" , |
| 8756 | format("variable = f(\"long string literal\", short, " |
| 8757 | "loooooooooooooooooooong);" , |
| 8758 | getLLVMStyleWithColumns(20))); |
| 8759 | |
| 8760 | EXPECT_EQ( |
| 8761 | "f(g(\"long string \"\n" |
| 8762 | " \"literal\"),\n" |
| 8763 | " b);" , |
| 8764 | format("f(g(\"long string literal\"), b);" , getLLVMStyleWithColumns(20))); |
| 8765 | EXPECT_EQ("f(g(\"long string \"\n" |
| 8766 | " \"literal\",\n" |
| 8767 | " a),\n" |
| 8768 | " b);" , |
| 8769 | format("f(g(\"long string literal\", a), b);" , |
| 8770 | getLLVMStyleWithColumns(20))); |
| 8771 | EXPECT_EQ( |
| 8772 | "f(\"one two\".split(\n" |
| 8773 | " variable));" , |
| 8774 | format("f(\"one two\".split(variable));" , getLLVMStyleWithColumns(20))); |
| 8775 | EXPECT_EQ("f(\"one two three four five six \"\n" |
| 8776 | " \"seven\".split(\n" |
| 8777 | " really_looooong_variable));" , |
| 8778 | format("f(\"one two three four five six seven\"." |
| 8779 | "split(really_looooong_variable));" , |
| 8780 | getLLVMStyleWithColumns(33))); |
| 8781 | |
| 8782 | EXPECT_EQ("f(\"some \"\n" |
| 8783 | " \"text\",\n" |
| 8784 | " other);" , |
| 8785 | format("f(\"some text\", other);" , getLLVMStyleWithColumns(10))); |
| 8786 | |
| 8787 | // Only break as a last resort. |
| 8788 | verifyFormat( |
| 8789 | "aaaaaaaaaaaaaaaaaaaa(\n" |
| 8790 | " aaaaaaaaaaaaaaaaaaaa,\n" |
| 8791 | " aaaaaa(\"aaa aaaaa aaa aaa aaaaa aaa aaaaa aaa aaa aaaaaa\"));" ); |
| 8792 | |
| 8793 | EXPECT_EQ("\"splitmea\"\n" |
| 8794 | "\"trandomp\"\n" |
| 8795 | "\"oint\"" , |
| 8796 | format("\"splitmeatrandompoint\"" , getLLVMStyleWithColumns(10))); |
| 8797 | |
| 8798 | EXPECT_EQ("\"split/\"\n" |
| 8799 | "\"pathat/\"\n" |
| 8800 | "\"slashes\"" , |
| 8801 | format("\"split/pathat/slashes\"" , getLLVMStyleWithColumns(10))); |
| 8802 | |
| 8803 | EXPECT_EQ("\"split/\"\n" |
| 8804 | "\"pathat/\"\n" |
| 8805 | "\"slashes\"" , |
| 8806 | format("\"split/pathat/slashes\"" , getLLVMStyleWithColumns(10))); |
| 8807 | EXPECT_EQ("\"split at \"\n" |
| 8808 | "\"spaces/at/\"\n" |
| 8809 | "\"slashes.at.any$\"\n" |
| 8810 | "\"non-alphanumeric%\"\n" |
| 8811 | "\"1111111111characte\"\n" |
| 8812 | "\"rs\"" , |
| 8813 | format("\"split at " |
| 8814 | "spaces/at/" |
| 8815 | "slashes.at." |
| 8816 | "any$non-" |
| 8817 | "alphanumeric%" |
| 8818 | "1111111111characte" |
| 8819 | "rs\"" , |
| 8820 | getLLVMStyleWithColumns(20))); |
| 8821 | |
| 8822 | // Verify that splitting the strings understands |
| 8823 | // Style::AlwaysBreakBeforeMultilineStrings. |
| 8824 | EXPECT_EQ( |
| 8825 | "aaaaaaaaaaaa(\n" |
| 8826 | " \"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaa \"\n" |
| 8827 | " \"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaa\");" , |
| 8828 | format("aaaaaaaaaaaa(\"aaaaaaaaaaaaaaaaaaaaaaaaaa " |
| 8829 | "aaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaa " |
| 8830 | "aaaaaaaaaaaaaaaaaaaaaa\");" , |
| 8831 | getGoogleStyle())); |
| 8832 | EXPECT_EQ("return \"aaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaa \"\n" |
| 8833 | " \"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaa\";" , |
| 8834 | format("return \"aaaaaaaaaaaaaaaaaaaaaa " |
| 8835 | "aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaa " |
| 8836 | "aaaaaaaaaaaaaaaaaaaaaa\";" , |
| 8837 | getGoogleStyle())); |
| 8838 | EXPECT_EQ("llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \"\n" |
| 8839 | " \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\";" , |
| 8840 | format("llvm::outs() << " |
| 8841 | "\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaa" |
| 8842 | "aaaaaaaaaaaaaaaaaaa\";" )); |
| 8843 | EXPECT_EQ("ffff(\n" |
| 8844 | " {\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \"\n" |
| 8845 | " \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"});" , |
| 8846 | format("ffff({\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa " |
| 8847 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"});" , |
| 8848 | getGoogleStyle())); |
| 8849 | |
| 8850 | FormatStyle Style = getLLVMStyleWithColumns(12); |
| 8851 | Style.BreakStringLiterals = false; |
| 8852 | EXPECT_EQ("\"some text other\";" , format("\"some text other\";" , Style)); |
| 8853 | |
| 8854 | FormatStyle AlignLeft = getLLVMStyleWithColumns(12); |
| 8855 | AlignLeft.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 8856 | EXPECT_EQ("#define A \\\n" |
| 8857 | " \"some \" \\\n" |
| 8858 | " \"text \" \\\n" |
| 8859 | " \"other\";" , |
| 8860 | format("#define A \"some text other\";" , AlignLeft)); |
| 8861 | } |
| 8862 | |
| 8863 | TEST_F(FormatTest, BreaksStringLiteralsAtColumnLimit) { |
| 8864 | EXPECT_EQ("C a = \"some more \"\n" |
| 8865 | " \"text\";" , |
| 8866 | format("C a = \"some more text\";" , getLLVMStyleWithColumns(18))); |
| 8867 | } |
| 8868 | |
| 8869 | TEST_F(FormatTest, FullyRemoveEmptyLines) { |
| 8870 | FormatStyle NoEmptyLines = getLLVMStyleWithColumns(80); |
| 8871 | NoEmptyLines.MaxEmptyLinesToKeep = 0; |
| 8872 | EXPECT_EQ("int i = a(b());" , |
| 8873 | format("int i=a(\n\n b(\n\n\n )\n\n);" , NoEmptyLines)); |
| 8874 | } |
| 8875 | |
| 8876 | TEST_F(FormatTest, BreaksStringLiteralsWithTabs) { |
| 8877 | EXPECT_EQ( |
| 8878 | "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" |
| 8879 | "(\n" |
| 8880 | " \"x\t\");" , |
| 8881 | format("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" |
| 8882 | "aaaaaaa(" |
| 8883 | "\"x\t\");" )); |
| 8884 | } |
| 8885 | |
| 8886 | TEST_F(FormatTest, BreaksWideAndNSStringLiterals) { |
| 8887 | EXPECT_EQ( |
| 8888 | "u8\"utf8 string \"\n" |
| 8889 | "u8\"literal\";" , |
| 8890 | format("u8\"utf8 string literal\";" , getGoogleStyleWithColumns(16))); |
| 8891 | EXPECT_EQ( |
| 8892 | "u\"utf16 string \"\n" |
| 8893 | "u\"literal\";" , |
| 8894 | format("u\"utf16 string literal\";" , getGoogleStyleWithColumns(16))); |
| 8895 | EXPECT_EQ( |
| 8896 | "U\"utf32 string \"\n" |
| 8897 | "U\"literal\";" , |
| 8898 | format("U\"utf32 string literal\";" , getGoogleStyleWithColumns(16))); |
| 8899 | EXPECT_EQ("L\"wide string \"\n" |
| 8900 | "L\"literal\";" , |
| 8901 | format("L\"wide string literal\";" , getGoogleStyleWithColumns(16))); |
| 8902 | EXPECT_EQ("@\"NSString \"\n" |
| 8903 | "@\"literal\";" , |
| 8904 | format("@\"NSString literal\";" , getGoogleStyleWithColumns(19))); |
| 8905 | verifyFormat(R"(NSString *s = @"那那那那";)" , getLLVMStyleWithColumns(26)); |
| 8906 | |
| 8907 | // This input makes clang-format try to split the incomplete unicode escape |
| 8908 | // sequence, which used to lead to a crasher. |
| 8909 | verifyNoCrash( |
| 8910 | "aaaaaaaaaaaaaaaaaaaa = L\"\\udff\"'; // aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" , |
| 8911 | getLLVMStyleWithColumns(60)); |
| 8912 | } |
| 8913 | |
| 8914 | TEST_F(FormatTest, DoesNotBreakRawStringLiterals) { |
| 8915 | FormatStyle Style = getGoogleStyleWithColumns(15); |
| 8916 | EXPECT_EQ("R\"x(raw literal)x\";" , format("R\"x(raw literal)x\";" , Style)); |
| 8917 | EXPECT_EQ("uR\"x(raw literal)x\";" , format("uR\"x(raw literal)x\";" , Style)); |
| 8918 | EXPECT_EQ("LR\"x(raw literal)x\";" , format("LR\"x(raw literal)x\";" , Style)); |
| 8919 | EXPECT_EQ("UR\"x(raw literal)x\";" , format("UR\"x(raw literal)x\";" , Style)); |
| 8920 | EXPECT_EQ("u8R\"x(raw literal)x\";" , |
| 8921 | format("u8R\"x(raw literal)x\";" , Style)); |
| 8922 | } |
| 8923 | |
| 8924 | TEST_F(FormatTest, BreaksStringLiteralsWithin_TMacro) { |
| 8925 | FormatStyle Style = getLLVMStyleWithColumns(20); |
| 8926 | EXPECT_EQ( |
| 8927 | "_T(\"aaaaaaaaaaaaaa\")\n" |
| 8928 | "_T(\"aaaaaaaaaaaaaa\")\n" |
| 8929 | "_T(\"aaaaaaaaaaaa\")" , |
| 8930 | format(" _T(\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\")" , Style)); |
| 8931 | EXPECT_EQ("f(x,\n" |
| 8932 | " _T(\"aaaaaaaaaaaa\")\n" |
| 8933 | " _T(\"aaa\"),\n" |
| 8934 | " z);" , |
| 8935 | format("f(x, _T(\"aaaaaaaaaaaaaaa\"), z);" , Style)); |
| 8936 | |
| 8937 | // FIXME: Handle embedded spaces in one iteration. |
| 8938 | // EXPECT_EQ("_T(\"aaaaaaaaaaaaa\")\n" |
| 8939 | // "_T(\"aaaaaaaaaaaaa\")\n" |
| 8940 | // "_T(\"aaaaaaaaaaaaa\")\n" |
| 8941 | // "_T(\"a\")", |
| 8942 | // format(" _T ( \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\" )", |
| 8943 | // getLLVMStyleWithColumns(20))); |
| 8944 | EXPECT_EQ( |
| 8945 | "_T ( \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\" )" , |
| 8946 | format(" _T ( \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\" )" , Style)); |
| 8947 | EXPECT_EQ("f(\n" |
| 8948 | "#if !TEST\n" |
| 8949 | " _T(\"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXn\")\n" |
| 8950 | "#endif\n" |
| 8951 | ");" , |
| 8952 | format("f(\n" |
| 8953 | "#if !TEST\n" |
| 8954 | "_T(\"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXn\")\n" |
| 8955 | "#endif\n" |
| 8956 | ");" )); |
| 8957 | EXPECT_EQ("f(\n" |
| 8958 | "\n" |
| 8959 | " _T(\"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXn\"));" , |
| 8960 | format("f(\n" |
| 8961 | "\n" |
| 8962 | "_T(\"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXn\"));" )); |
| 8963 | } |
| 8964 | |
| 8965 | TEST_F(FormatTest, BreaksStringLiteralOperands) { |
| 8966 | // In a function call with two operands, the second can be broken with no line |
| 8967 | // break before it. |
| 8968 | EXPECT_EQ("func(a, \"long long \"\n" |
| 8969 | " \"long long\");" , |
| 8970 | format("func(a, \"long long long long\");" , |
| 8971 | getLLVMStyleWithColumns(24))); |
| 8972 | // In a function call with three operands, the second must be broken with a |
| 8973 | // line break before it. |
| 8974 | EXPECT_EQ("func(a,\n" |
| 8975 | " \"long long long \"\n" |
| 8976 | " \"long\",\n" |
| 8977 | " c);" , |
| 8978 | format("func(a, \"long long long long\", c);" , |
| 8979 | getLLVMStyleWithColumns(24))); |
| 8980 | // In a function call with three operands, the third must be broken with a |
| 8981 | // line break before it. |
| 8982 | EXPECT_EQ("func(a, b,\n" |
| 8983 | " \"long long long \"\n" |
| 8984 | " \"long\");" , |
| 8985 | format("func(a, b, \"long long long long\");" , |
| 8986 | getLLVMStyleWithColumns(24))); |
| 8987 | // In a function call with three operands, both the second and the third must |
| 8988 | // be broken with a line break before them. |
| 8989 | EXPECT_EQ("func(a,\n" |
| 8990 | " \"long long long \"\n" |
| 8991 | " \"long\",\n" |
| 8992 | " \"long long long \"\n" |
| 8993 | " \"long\");" , |
| 8994 | format("func(a, \"long long long long\", \"long long long long\");" , |
| 8995 | getLLVMStyleWithColumns(24))); |
| 8996 | // In a chain of << with two operands, the second can be broken with no line |
| 8997 | // break before it. |
| 8998 | EXPECT_EQ("a << \"line line \"\n" |
| 8999 | " \"line\";" , |
| 9000 | format("a << \"line line line\";" , |
| 9001 | getLLVMStyleWithColumns(20))); |
| 9002 | // In a chain of << with three operands, the second can be broken with no line |
| 9003 | // break before it. |
| 9004 | EXPECT_EQ("abcde << \"line \"\n" |
| 9005 | " \"line line\"\n" |
| 9006 | " << c;" , |
| 9007 | format("abcde << \"line line line\" << c;" , |
| 9008 | getLLVMStyleWithColumns(20))); |
| 9009 | // In a chain of << with three operands, the third must be broken with a line |
| 9010 | // break before it. |
| 9011 | EXPECT_EQ("a << b\n" |
| 9012 | " << \"line line \"\n" |
| 9013 | " \"line\";" , |
| 9014 | format("a << b << \"line line line\";" , |
| 9015 | getLLVMStyleWithColumns(20))); |
| 9016 | // In a chain of << with three operands, the second can be broken with no line |
| 9017 | // break before it and the third must be broken with a line break before it. |
| 9018 | EXPECT_EQ("abcd << \"line line \"\n" |
| 9019 | " \"line\"\n" |
| 9020 | " << \"line line \"\n" |
| 9021 | " \"line\";" , |
| 9022 | format("abcd << \"line line line\" << \"line line line\";" , |
| 9023 | getLLVMStyleWithColumns(20))); |
| 9024 | // In a chain of binary operators with two operands, the second can be broken |
| 9025 | // with no line break before it. |
| 9026 | EXPECT_EQ("abcd + \"line line \"\n" |
| 9027 | " \"line line\";" , |
| 9028 | format("abcd + \"line line line line\";" , |
| 9029 | getLLVMStyleWithColumns(20))); |
| 9030 | // In a chain of binary operators with three operands, the second must be |
| 9031 | // broken with a line break before it. |
| 9032 | EXPECT_EQ("abcd +\n" |
| 9033 | " \"line line \"\n" |
| 9034 | " \"line line\" +\n" |
| 9035 | " e;" , |
| 9036 | format("abcd + \"line line line line\" + e;" , |
| 9037 | getLLVMStyleWithColumns(20))); |
| 9038 | // In a function call with two operands, with AlignAfterOpenBracket enabled, |
| 9039 | // the first must be broken with a line break before it. |
| 9040 | FormatStyle Style = getLLVMStyleWithColumns(25); |
| 9041 | Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak; |
| 9042 | EXPECT_EQ("someFunction(\n" |
| 9043 | " \"long long long \"\n" |
| 9044 | " \"long\",\n" |
| 9045 | " a);" , |
| 9046 | format("someFunction(\"long long long long\", a);" , Style)); |
| 9047 | } |
| 9048 | |
| 9049 | TEST_F(FormatTest, DontSplitStringLiteralsWithEscapedNewlines) { |
| 9050 | EXPECT_EQ( |
| 9051 | "aaaaaaaaaaa = \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n" |
| 9052 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n" |
| 9053 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\";" , |
| 9054 | format("aaaaaaaaaaa = \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n" |
| 9055 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\\\n" |
| 9056 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\";" )); |
| 9057 | } |
| 9058 | |
| 9059 | TEST_F(FormatTest, CountsCharactersInMultilineRawStringLiterals) { |
| 9060 | EXPECT_EQ("f(g(R\"x(raw literal)x\", a), b);" , |
| 9061 | format("f(g(R\"x(raw literal)x\", a), b);" , getGoogleStyle())); |
| 9062 | EXPECT_EQ("fffffffffff(g(R\"x(\n" |
| 9063 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9064 | ")x\",\n" |
| 9065 | " a),\n" |
| 9066 | " b);" , |
| 9067 | format("fffffffffff(g(R\"x(\n" |
| 9068 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9069 | ")x\", a), b);" , |
| 9070 | getGoogleStyleWithColumns(20))); |
| 9071 | EXPECT_EQ("fffffffffff(\n" |
| 9072 | " g(R\"x(qqq\n" |
| 9073 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9074 | ")x\",\n" |
| 9075 | " a),\n" |
| 9076 | " b);" , |
| 9077 | format("fffffffffff(g(R\"x(qqq\n" |
| 9078 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9079 | ")x\", a), b);" , |
| 9080 | getGoogleStyleWithColumns(20))); |
| 9081 | |
| 9082 | EXPECT_EQ("fffffffffff(R\"x(\n" |
| 9083 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9084 | ")x\");" , |
| 9085 | format("fffffffffff(R\"x(\n" |
| 9086 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9087 | ")x\");" , |
| 9088 | getGoogleStyleWithColumns(20))); |
| 9089 | EXPECT_EQ("fffffffffff(R\"x(\n" |
| 9090 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9091 | ")x\" + bbbbbb);" , |
| 9092 | format("fffffffffff(R\"x(\n" |
| 9093 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9094 | ")x\" + bbbbbb);" , |
| 9095 | getGoogleStyleWithColumns(20))); |
| 9096 | EXPECT_EQ("fffffffffff(\n" |
| 9097 | " R\"x(\n" |
| 9098 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9099 | ")x\" +\n" |
| 9100 | " bbbbbb);" , |
| 9101 | format("fffffffffff(\n" |
| 9102 | " R\"x(\n" |
| 9103 | "multiline raw string literal xxxxxxxxxxxxxx\n" |
| 9104 | ")x\" + bbbbbb);" , |
| 9105 | getGoogleStyleWithColumns(20))); |
| 9106 | EXPECT_EQ("fffffffffff(R\"(single line raw string)\" + bbbbbb);" , |
| 9107 | format("fffffffffff(\n" |
| 9108 | " R\"(single line raw string)\" + bbbbbb);" )); |
| 9109 | } |
| 9110 | |
| 9111 | TEST_F(FormatTest, SkipsUnknownStringLiterals) { |
| 9112 | verifyFormat("string a = \"unterminated;" ); |
| 9113 | EXPECT_EQ("function(\"unterminated,\n" |
| 9114 | " OtherParameter);" , |
| 9115 | format("function( \"unterminated,\n" |
| 9116 | " OtherParameter);" )); |
| 9117 | } |
| 9118 | |
| 9119 | TEST_F(FormatTest, DoesNotTryToParseUDLiteralsInPreCpp11Code) { |
| 9120 | FormatStyle Style = getLLVMStyle(); |
| 9121 | Style.Standard = FormatStyle::LS_Cpp03; |
| 9122 | EXPECT_EQ("#define x(_a) printf(\"foo\" _a);" , |
| 9123 | format("#define x(_a) printf(\"foo\"_a);" , Style)); |
| 9124 | } |
| 9125 | |
| 9126 | TEST_F(FormatTest, UnderstandsCpp1y) { verifyFormat("int bi{1'000'000};" ); } |
| 9127 | |
| 9128 | TEST_F(FormatTest, BreakStringLiteralsBeforeUnbreakableTokenSequence) { |
| 9129 | EXPECT_EQ("someFunction(\"aaabbbcccd\"\n" |
| 9130 | " \"ddeeefff\");" , |
| 9131 | format("someFunction(\"aaabbbcccdddeeefff\");" , |
| 9132 | getLLVMStyleWithColumns(25))); |
| 9133 | EXPECT_EQ("someFunction1234567890(\n" |
| 9134 | " \"aaabbbcccdddeeefff\");" , |
| 9135 | format("someFunction1234567890(\"aaabbbcccdddeeefff\");" , |
| 9136 | getLLVMStyleWithColumns(26))); |
| 9137 | EXPECT_EQ("someFunction1234567890(\n" |
| 9138 | " \"aaabbbcccdddeeeff\"\n" |
| 9139 | " \"f\");" , |
| 9140 | format("someFunction1234567890(\"aaabbbcccdddeeefff\");" , |
| 9141 | getLLVMStyleWithColumns(25))); |
| 9142 | EXPECT_EQ("someFunction1234567890(\n" |
| 9143 | " \"aaabbbcccdddeeeff\"\n" |
| 9144 | " \"f\");" , |
| 9145 | format("someFunction1234567890(\"aaabbbcccdddeeefff\");" , |
| 9146 | getLLVMStyleWithColumns(24))); |
| 9147 | EXPECT_EQ("someFunction(\n" |
| 9148 | " \"aaabbbcc ddde \"\n" |
| 9149 | " \"efff\");" , |
| 9150 | format("someFunction(\"aaabbbcc ddde efff\");" , |
| 9151 | getLLVMStyleWithColumns(25))); |
| 9152 | EXPECT_EQ("someFunction(\"aaabbbccc \"\n" |
| 9153 | " \"ddeeefff\");" , |
| 9154 | format("someFunction(\"aaabbbccc ddeeefff\");" , |
| 9155 | getLLVMStyleWithColumns(25))); |
| 9156 | EXPECT_EQ("someFunction1234567890(\n" |
| 9157 | " \"aaabb \"\n" |
| 9158 | " \"cccdddeeefff\");" , |
| 9159 | format("someFunction1234567890(\"aaabb cccdddeeefff\");" , |
| 9160 | getLLVMStyleWithColumns(25))); |
| 9161 | EXPECT_EQ("#define A \\\n" |
| 9162 | " string s = \\\n" |
| 9163 | " \"123456789\" \\\n" |
| 9164 | " \"0\"; \\\n" |
| 9165 | " int i;" , |
| 9166 | format("#define A string s = \"1234567890\"; int i;" , |
| 9167 | getLLVMStyleWithColumns(20))); |
| 9168 | EXPECT_EQ("someFunction(\n" |
| 9169 | " \"aaabbbcc \"\n" |
| 9170 | " \"dddeeefff\");" , |
| 9171 | format("someFunction(\"aaabbbcc dddeeefff\");" , |
| 9172 | getLLVMStyleWithColumns(25))); |
| 9173 | } |
| 9174 | |
| 9175 | TEST_F(FormatTest, DoNotBreakStringLiteralsInEscapeSequence) { |
| 9176 | EXPECT_EQ("\"\\a\"" , format("\"\\a\"" , getLLVMStyleWithColumns(3))); |
| 9177 | EXPECT_EQ("\"\\\"" , format("\"\\\"" , getLLVMStyleWithColumns(2))); |
| 9178 | EXPECT_EQ("\"test\"\n" |
| 9179 | "\"\\n\"" , |
| 9180 | format("\"test\\n\"" , getLLVMStyleWithColumns(7))); |
| 9181 | EXPECT_EQ("\"tes\\\\\"\n" |
| 9182 | "\"n\"" , |
| 9183 | format("\"tes\\\\n\"" , getLLVMStyleWithColumns(7))); |
| 9184 | EXPECT_EQ("\"\\\\\\\\\"\n" |
| 9185 | "\"\\n\"" , |
| 9186 | format("\"\\\\\\\\\\n\"" , getLLVMStyleWithColumns(7))); |
| 9187 | EXPECT_EQ("\"\\uff01\"" , format("\"\\uff01\"" , getLLVMStyleWithColumns(7))); |
| 9188 | EXPECT_EQ("\"\\uff01\"\n" |
| 9189 | "\"test\"" , |
| 9190 | format("\"\\uff01test\"" , getLLVMStyleWithColumns(8))); |
| 9191 | EXPECT_EQ("\"\\Uff01ff02\"" , |
| 9192 | format("\"\\Uff01ff02\"" , getLLVMStyleWithColumns(11))); |
| 9193 | EXPECT_EQ("\"\\x000000000001\"\n" |
| 9194 | "\"next\"" , |
| 9195 | format("\"\\x000000000001next\"" , getLLVMStyleWithColumns(16))); |
| 9196 | EXPECT_EQ("\"\\x000000000001next\"" , |
| 9197 | format("\"\\x000000000001next\"" , getLLVMStyleWithColumns(15))); |
| 9198 | EXPECT_EQ("\"\\x000000000001\"" , |
| 9199 | format("\"\\x000000000001\"" , getLLVMStyleWithColumns(7))); |
| 9200 | EXPECT_EQ("\"test\"\n" |
| 9201 | "\"\\000000\"\n" |
| 9202 | "\"000001\"" , |
| 9203 | format("\"test\\000000000001\"" , getLLVMStyleWithColumns(9))); |
| 9204 | EXPECT_EQ("\"test\\000\"\n" |
| 9205 | "\"00000000\"\n" |
| 9206 | "\"1\"" , |
| 9207 | format("\"test\\000000000001\"" , getLLVMStyleWithColumns(10))); |
| 9208 | } |
| 9209 | |
| 9210 | TEST_F(FormatTest, DoNotCreateUnreasonableUnwrappedLines) { |
| 9211 | verifyFormat("void f() {\n" |
| 9212 | " return g() {}\n" |
| 9213 | " void h() {}" ); |
| 9214 | verifyFormat("int a[] = {void forgot_closing_brace(){f();\n" |
| 9215 | "g();\n" |
| 9216 | "}" ); |
| 9217 | } |
| 9218 | |
| 9219 | TEST_F(FormatTest, DoNotPrematurelyEndUnwrappedLineForReturnStatements) { |
| 9220 | verifyFormat( |
| 9221 | "void f() { return C{param1, param2}.SomeCall(param1, param2); }" ); |
| 9222 | } |
| 9223 | |
| 9224 | TEST_F(FormatTest, FormatsClosingBracesInEmptyNestedBlocks) { |
| 9225 | verifyFormat("class X {\n" |
| 9226 | " void f() {\n" |
| 9227 | " }\n" |
| 9228 | "};" , |
| 9229 | getLLVMStyleWithColumns(12)); |
| 9230 | } |
| 9231 | |
| 9232 | TEST_F(FormatTest, ConfigurableIndentWidth) { |
| 9233 | FormatStyle EightIndent = getLLVMStyleWithColumns(18); |
| 9234 | EightIndent.IndentWidth = 8; |
| 9235 | EightIndent.ContinuationIndentWidth = 8; |
| 9236 | verifyFormat("void f() {\n" |
| 9237 | " someFunction();\n" |
| 9238 | " if (true) {\n" |
| 9239 | " f();\n" |
| 9240 | " }\n" |
| 9241 | "}" , |
| 9242 | EightIndent); |
| 9243 | verifyFormat("class X {\n" |
| 9244 | " void f() {\n" |
| 9245 | " }\n" |
| 9246 | "};" , |
| 9247 | EightIndent); |
| 9248 | verifyFormat("int x[] = {\n" |
| 9249 | " call(),\n" |
| 9250 | " call()};" , |
| 9251 | EightIndent); |
| 9252 | } |
| 9253 | |
| 9254 | TEST_F(FormatTest, ConfigurableFunctionDeclarationIndentAfterType) { |
| 9255 | verifyFormat("double\n" |
| 9256 | "f();" , |
| 9257 | getLLVMStyleWithColumns(8)); |
| 9258 | } |
| 9259 | |
| 9260 | TEST_F(FormatTest, ConfigurableUseOfTab) { |
| 9261 | FormatStyle Tab = getLLVMStyleWithColumns(42); |
| 9262 | Tab.IndentWidth = 8; |
| 9263 | Tab.UseTab = FormatStyle::UT_Always; |
| 9264 | Tab.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 9265 | |
| 9266 | EXPECT_EQ("if (aaaaaaaa && // q\n" |
| 9267 | " bb)\t\t// w\n" |
| 9268 | "\t;" , |
| 9269 | format("if (aaaaaaaa &&// q\n" |
| 9270 | "bb)// w\n" |
| 9271 | ";" , |
| 9272 | Tab)); |
| 9273 | EXPECT_EQ("if (aaa && bbb) // w\n" |
| 9274 | "\t;" , |
| 9275 | format("if(aaa&&bbb)// w\n" |
| 9276 | ";" , |
| 9277 | Tab)); |
| 9278 | |
| 9279 | verifyFormat("class X {\n" |
| 9280 | "\tvoid f() {\n" |
| 9281 | "\t\tsomeFunction(parameter1,\n" |
| 9282 | "\t\t\t parameter2);\n" |
| 9283 | "\t}\n" |
| 9284 | "};" , |
| 9285 | Tab); |
| 9286 | verifyFormat("#define A \\\n" |
| 9287 | "\tvoid f() { \\\n" |
| 9288 | "\t\tsomeFunction( \\\n" |
| 9289 | "\t\t parameter1, \\\n" |
| 9290 | "\t\t parameter2); \\\n" |
| 9291 | "\t}" , |
| 9292 | Tab); |
| 9293 | verifyFormat("int a;\t // x\n" |
| 9294 | "int bbbbbbbb; // x\n" , |
| 9295 | Tab); |
| 9296 | |
| 9297 | Tab.TabWidth = 4; |
| 9298 | Tab.IndentWidth = 8; |
| 9299 | verifyFormat("class TabWidth4Indent8 {\n" |
| 9300 | "\t\tvoid f() {\n" |
| 9301 | "\t\t\t\tsomeFunction(parameter1,\n" |
| 9302 | "\t\t\t\t\t\t\t parameter2);\n" |
| 9303 | "\t\t}\n" |
| 9304 | "};" , |
| 9305 | Tab); |
| 9306 | |
| 9307 | Tab.TabWidth = 4; |
| 9308 | Tab.IndentWidth = 4; |
| 9309 | verifyFormat("class TabWidth4Indent4 {\n" |
| 9310 | "\tvoid f() {\n" |
| 9311 | "\t\tsomeFunction(parameter1,\n" |
| 9312 | "\t\t\t\t\t parameter2);\n" |
| 9313 | "\t}\n" |
| 9314 | "};" , |
| 9315 | Tab); |
| 9316 | |
| 9317 | Tab.TabWidth = 8; |
| 9318 | Tab.IndentWidth = 4; |
| 9319 | verifyFormat("class TabWidth8Indent4 {\n" |
| 9320 | " void f() {\n" |
| 9321 | "\tsomeFunction(parameter1,\n" |
| 9322 | "\t\t parameter2);\n" |
| 9323 | " }\n" |
| 9324 | "};" , |
| 9325 | Tab); |
| 9326 | |
| 9327 | Tab.TabWidth = 8; |
| 9328 | Tab.IndentWidth = 8; |
| 9329 | EXPECT_EQ("/*\n" |
| 9330 | "\t a\t\tcomment\n" |
| 9331 | "\t in multiple lines\n" |
| 9332 | " */" , |
| 9333 | format(" /*\t \t \n" |
| 9334 | " \t \t a\t\tcomment\t \t\n" |
| 9335 | " \t \t in multiple lines\t\n" |
| 9336 | " \t */" , |
| 9337 | Tab)); |
| 9338 | |
| 9339 | Tab.UseTab = FormatStyle::UT_ForIndentation; |
| 9340 | verifyFormat("{\n" |
| 9341 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9342 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9343 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9344 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9345 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9346 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9347 | "};" , |
| 9348 | Tab); |
| 9349 | verifyFormat("enum AA {\n" |
| 9350 | "\ta1, // Force multiple lines\n" |
| 9351 | "\ta2,\n" |
| 9352 | "\ta3\n" |
| 9353 | "};" , |
| 9354 | Tab); |
| 9355 | EXPECT_EQ("if (aaaaaaaa && // q\n" |
| 9356 | " bb) // w\n" |
| 9357 | "\t;" , |
| 9358 | format("if (aaaaaaaa &&// q\n" |
| 9359 | "bb)// w\n" |
| 9360 | ";" , |
| 9361 | Tab)); |
| 9362 | verifyFormat("class X {\n" |
| 9363 | "\tvoid f() {\n" |
| 9364 | "\t\tsomeFunction(parameter1,\n" |
| 9365 | "\t\t parameter2);\n" |
| 9366 | "\t}\n" |
| 9367 | "};" , |
| 9368 | Tab); |
| 9369 | verifyFormat("{\n" |
| 9370 | "\tQ(\n" |
| 9371 | "\t {\n" |
| 9372 | "\t\t int a;\n" |
| 9373 | "\t\t someFunction(aaaaaaaa,\n" |
| 9374 | "\t\t bbbbbbb);\n" |
| 9375 | "\t },\n" |
| 9376 | "\t p);\n" |
| 9377 | "}" , |
| 9378 | Tab); |
| 9379 | EXPECT_EQ("{\n" |
| 9380 | "\t/* aaaa\n" |
| 9381 | "\t bbbb */\n" |
| 9382 | "}" , |
| 9383 | format("{\n" |
| 9384 | "/* aaaa\n" |
| 9385 | " bbbb */\n" |
| 9386 | "}" , |
| 9387 | Tab)); |
| 9388 | EXPECT_EQ("{\n" |
| 9389 | "\t/*\n" |
| 9390 | "\t aaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 9391 | "\t bbbbbbbbbbbbb\n" |
| 9392 | "\t*/\n" |
| 9393 | "}" , |
| 9394 | format("{\n" |
| 9395 | "/*\n" |
| 9396 | " aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n" |
| 9397 | "*/\n" |
| 9398 | "}" , |
| 9399 | Tab)); |
| 9400 | EXPECT_EQ("{\n" |
| 9401 | "\t// aaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 9402 | "\t// bbbbbbbbbbbbb\n" |
| 9403 | "}" , |
| 9404 | format("{\n" |
| 9405 | "\t// aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n" |
| 9406 | "}" , |
| 9407 | Tab)); |
| 9408 | EXPECT_EQ("{\n" |
| 9409 | "\t/*\n" |
| 9410 | "\t aaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 9411 | "\t bbbbbbbbbbbbb\n" |
| 9412 | "\t*/\n" |
| 9413 | "}" , |
| 9414 | format("{\n" |
| 9415 | "\t/*\n" |
| 9416 | "\t aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n" |
| 9417 | "\t*/\n" |
| 9418 | "}" , |
| 9419 | Tab)); |
| 9420 | EXPECT_EQ("{\n" |
| 9421 | "\t/*\n" |
| 9422 | "\n" |
| 9423 | "\t*/\n" |
| 9424 | "}" , |
| 9425 | format("{\n" |
| 9426 | "\t/*\n" |
| 9427 | "\n" |
| 9428 | "\t*/\n" |
| 9429 | "}" , |
| 9430 | Tab)); |
| 9431 | EXPECT_EQ("{\n" |
| 9432 | "\t/*\n" |
| 9433 | " asdf\n" |
| 9434 | "\t*/\n" |
| 9435 | "}" , |
| 9436 | format("{\n" |
| 9437 | "\t/*\n" |
| 9438 | " asdf\n" |
| 9439 | "\t*/\n" |
| 9440 | "}" , |
| 9441 | Tab)); |
| 9442 | |
| 9443 | Tab.UseTab = FormatStyle::UT_Never; |
| 9444 | EXPECT_EQ("/*\n" |
| 9445 | " a\t\tcomment\n" |
| 9446 | " in multiple lines\n" |
| 9447 | " */" , |
| 9448 | format(" /*\t \t \n" |
| 9449 | " \t \t a\t\tcomment\t \t\n" |
| 9450 | " \t \t in multiple lines\t\n" |
| 9451 | " \t */" , |
| 9452 | Tab)); |
| 9453 | EXPECT_EQ("/* some\n" |
| 9454 | " comment */" , |
| 9455 | format(" \t \t /* some\n" |
| 9456 | " \t \t comment */" , |
| 9457 | Tab)); |
| 9458 | EXPECT_EQ("int a; /* some\n" |
| 9459 | " comment */" , |
| 9460 | format(" \t \t int a; /* some\n" |
| 9461 | " \t \t comment */" , |
| 9462 | Tab)); |
| 9463 | |
| 9464 | EXPECT_EQ("int a; /* some\n" |
| 9465 | "comment */" , |
| 9466 | format(" \t \t int\ta; /* some\n" |
| 9467 | " \t \t comment */" , |
| 9468 | Tab)); |
| 9469 | EXPECT_EQ("f(\"\t\t\"); /* some\n" |
| 9470 | " comment */" , |
| 9471 | format(" \t \t f(\"\t\t\"); /* some\n" |
| 9472 | " \t \t comment */" , |
| 9473 | Tab)); |
| 9474 | EXPECT_EQ("{\n" |
| 9475 | " /*\n" |
| 9476 | " * Comment\n" |
| 9477 | " */\n" |
| 9478 | " int i;\n" |
| 9479 | "}" , |
| 9480 | format("{\n" |
| 9481 | "\t/*\n" |
| 9482 | "\t * Comment\n" |
| 9483 | "\t */\n" |
| 9484 | "\t int i;\n" |
| 9485 | "}" )); |
| 9486 | |
| 9487 | Tab.UseTab = FormatStyle::UT_ForContinuationAndIndentation; |
| 9488 | Tab.TabWidth = 8; |
| 9489 | Tab.IndentWidth = 8; |
| 9490 | EXPECT_EQ("if (aaaaaaaa && // q\n" |
| 9491 | " bb) // w\n" |
| 9492 | "\t;" , |
| 9493 | format("if (aaaaaaaa &&// q\n" |
| 9494 | "bb)// w\n" |
| 9495 | ";" , |
| 9496 | Tab)); |
| 9497 | EXPECT_EQ("if (aaa && bbb) // w\n" |
| 9498 | "\t;" , |
| 9499 | format("if(aaa&&bbb)// w\n" |
| 9500 | ";" , |
| 9501 | Tab)); |
| 9502 | verifyFormat("class X {\n" |
| 9503 | "\tvoid f() {\n" |
| 9504 | "\t\tsomeFunction(parameter1,\n" |
| 9505 | "\t\t\t parameter2);\n" |
| 9506 | "\t}\n" |
| 9507 | "};" , |
| 9508 | Tab); |
| 9509 | verifyFormat("#define A \\\n" |
| 9510 | "\tvoid f() { \\\n" |
| 9511 | "\t\tsomeFunction( \\\n" |
| 9512 | "\t\t parameter1, \\\n" |
| 9513 | "\t\t parameter2); \\\n" |
| 9514 | "\t}" , |
| 9515 | Tab); |
| 9516 | Tab.TabWidth = 4; |
| 9517 | Tab.IndentWidth = 8; |
| 9518 | verifyFormat("class TabWidth4Indent8 {\n" |
| 9519 | "\t\tvoid f() {\n" |
| 9520 | "\t\t\t\tsomeFunction(parameter1,\n" |
| 9521 | "\t\t\t\t\t\t\t parameter2);\n" |
| 9522 | "\t\t}\n" |
| 9523 | "};" , |
| 9524 | Tab); |
| 9525 | Tab.TabWidth = 4; |
| 9526 | Tab.IndentWidth = 4; |
| 9527 | verifyFormat("class TabWidth4Indent4 {\n" |
| 9528 | "\tvoid f() {\n" |
| 9529 | "\t\tsomeFunction(parameter1,\n" |
| 9530 | "\t\t\t\t\t parameter2);\n" |
| 9531 | "\t}\n" |
| 9532 | "};" , |
| 9533 | Tab); |
| 9534 | Tab.TabWidth = 8; |
| 9535 | Tab.IndentWidth = 4; |
| 9536 | verifyFormat("class TabWidth8Indent4 {\n" |
| 9537 | " void f() {\n" |
| 9538 | "\tsomeFunction(parameter1,\n" |
| 9539 | "\t\t parameter2);\n" |
| 9540 | " }\n" |
| 9541 | "};" , |
| 9542 | Tab); |
| 9543 | Tab.TabWidth = 8; |
| 9544 | Tab.IndentWidth = 8; |
| 9545 | EXPECT_EQ("/*\n" |
| 9546 | "\t a\t\tcomment\n" |
| 9547 | "\t in multiple lines\n" |
| 9548 | " */" , |
| 9549 | format(" /*\t \t \n" |
| 9550 | " \t \t a\t\tcomment\t \t\n" |
| 9551 | " \t \t in multiple lines\t\n" |
| 9552 | " \t */" , |
| 9553 | Tab)); |
| 9554 | verifyFormat("{\n" |
| 9555 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9556 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9557 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9558 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9559 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9560 | "\taaaaaaaaaaaaaaaaaaaaaaaaaaaa();\n" |
| 9561 | "};" , |
| 9562 | Tab); |
| 9563 | verifyFormat("enum AA {\n" |
| 9564 | "\ta1, // Force multiple lines\n" |
| 9565 | "\ta2,\n" |
| 9566 | "\ta3\n" |
| 9567 | "};" , |
| 9568 | Tab); |
| 9569 | EXPECT_EQ("if (aaaaaaaa && // q\n" |
| 9570 | " bb) // w\n" |
| 9571 | "\t;" , |
| 9572 | format("if (aaaaaaaa &&// q\n" |
| 9573 | "bb)// w\n" |
| 9574 | ";" , |
| 9575 | Tab)); |
| 9576 | verifyFormat("class X {\n" |
| 9577 | "\tvoid f() {\n" |
| 9578 | "\t\tsomeFunction(parameter1,\n" |
| 9579 | "\t\t\t parameter2);\n" |
| 9580 | "\t}\n" |
| 9581 | "};" , |
| 9582 | Tab); |
| 9583 | verifyFormat("{\n" |
| 9584 | "\tQ(\n" |
| 9585 | "\t {\n" |
| 9586 | "\t\t int a;\n" |
| 9587 | "\t\t someFunction(aaaaaaaa,\n" |
| 9588 | "\t\t\t\t bbbbbbb);\n" |
| 9589 | "\t },\n" |
| 9590 | "\t p);\n" |
| 9591 | "}" , |
| 9592 | Tab); |
| 9593 | EXPECT_EQ("{\n" |
| 9594 | "\t/* aaaa\n" |
| 9595 | "\t bbbb */\n" |
| 9596 | "}" , |
| 9597 | format("{\n" |
| 9598 | "/* aaaa\n" |
| 9599 | " bbbb */\n" |
| 9600 | "}" , |
| 9601 | Tab)); |
| 9602 | EXPECT_EQ("{\n" |
| 9603 | "\t/*\n" |
| 9604 | "\t aaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 9605 | "\t bbbbbbbbbbbbb\n" |
| 9606 | "\t*/\n" |
| 9607 | "}" , |
| 9608 | format("{\n" |
| 9609 | "/*\n" |
| 9610 | " aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n" |
| 9611 | "*/\n" |
| 9612 | "}" , |
| 9613 | Tab)); |
| 9614 | EXPECT_EQ("{\n" |
| 9615 | "\t// aaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 9616 | "\t// bbbbbbbbbbbbb\n" |
| 9617 | "}" , |
| 9618 | format("{\n" |
| 9619 | "\t// aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n" |
| 9620 | "}" , |
| 9621 | Tab)); |
| 9622 | EXPECT_EQ("{\n" |
| 9623 | "\t/*\n" |
| 9624 | "\t aaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| 9625 | "\t bbbbbbbbbbbbb\n" |
| 9626 | "\t*/\n" |
| 9627 | "}" , |
| 9628 | format("{\n" |
| 9629 | "\t/*\n" |
| 9630 | "\t aaaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbb\n" |
| 9631 | "\t*/\n" |
| 9632 | "}" , |
| 9633 | Tab)); |
| 9634 | EXPECT_EQ("{\n" |
| 9635 | "\t/*\n" |
| 9636 | "\n" |
| 9637 | "\t*/\n" |
| 9638 | "}" , |
| 9639 | format("{\n" |
| 9640 | "\t/*\n" |
| 9641 | "\n" |
| 9642 | "\t*/\n" |
| 9643 | "}" , |
| 9644 | Tab)); |
| 9645 | EXPECT_EQ("{\n" |
| 9646 | "\t/*\n" |
| 9647 | " asdf\n" |
| 9648 | "\t*/\n" |
| 9649 | "}" , |
| 9650 | format("{\n" |
| 9651 | "\t/*\n" |
| 9652 | " asdf\n" |
| 9653 | "\t*/\n" |
| 9654 | "}" , |
| 9655 | Tab)); |
| 9656 | EXPECT_EQ("/*\n" |
| 9657 | "\t a\t\tcomment\n" |
| 9658 | "\t in multiple lines\n" |
| 9659 | " */" , |
| 9660 | format(" /*\t \t \n" |
| 9661 | " \t \t a\t\tcomment\t \t\n" |
| 9662 | " \t \t in multiple lines\t\n" |
| 9663 | " \t */" , |
| 9664 | Tab)); |
| 9665 | EXPECT_EQ("/* some\n" |
| 9666 | " comment */" , |
| 9667 | format(" \t \t /* some\n" |
| 9668 | " \t \t comment */" , |
| 9669 | Tab)); |
| 9670 | EXPECT_EQ("int a; /* some\n" |
| 9671 | " comment */" , |
| 9672 | format(" \t \t int a; /* some\n" |
| 9673 | " \t \t comment */" , |
| 9674 | Tab)); |
| 9675 | EXPECT_EQ("int a; /* some\n" |
| 9676 | "comment */" , |
| 9677 | format(" \t \t int\ta; /* some\n" |
| 9678 | " \t \t comment */" , |
| 9679 | Tab)); |
| 9680 | EXPECT_EQ("f(\"\t\t\"); /* some\n" |
| 9681 | " comment */" , |
| 9682 | format(" \t \t f(\"\t\t\"); /* some\n" |
| 9683 | " \t \t comment */" , |
| 9684 | Tab)); |
| 9685 | EXPECT_EQ("{\n" |
| 9686 | " /*\n" |
| 9687 | " * Comment\n" |
| 9688 | " */\n" |
| 9689 | " int i;\n" |
| 9690 | "}" , |
| 9691 | format("{\n" |
| 9692 | "\t/*\n" |
| 9693 | "\t * Comment\n" |
| 9694 | "\t */\n" |
| 9695 | "\t int i;\n" |
| 9696 | "}" )); |
| 9697 | Tab.AlignConsecutiveAssignments = true; |
| 9698 | Tab.AlignConsecutiveDeclarations = true; |
| 9699 | Tab.TabWidth = 4; |
| 9700 | Tab.IndentWidth = 4; |
| 9701 | verifyFormat("class Assign {\n" |
| 9702 | "\tvoid f() {\n" |
| 9703 | "\t\tint x = 123;\n" |
| 9704 | "\t\tint random = 4;\n" |
| 9705 | "\t\tstd::string alphabet =\n" |
| 9706 | "\t\t\t\"abcdefghijklmnopqrstuvwxyz\";\n" |
| 9707 | "\t}\n" |
| 9708 | "};" , |
| 9709 | Tab); |
| 9710 | } |
| 9711 | |
| 9712 | TEST_F(FormatTest, CalculatesOriginalColumn) { |
| 9713 | EXPECT_EQ("\"qqqqqqqqqqqqqqqqqqqqqqqqqq\\\n" |
| 9714 | "q\"; /* some\n" |
| 9715 | " comment */" , |
| 9716 | format(" \"qqqqqqqqqqqqqqqqqqqqqqqqqq\\\n" |
| 9717 | "q\"; /* some\n" |
| 9718 | " comment */" , |
| 9719 | getLLVMStyle())); |
| 9720 | EXPECT_EQ("// qqqqqqqqqqqqqqqqqqqqqqqqqq\n" |
| 9721 | "/* some\n" |
| 9722 | " comment */" , |
| 9723 | format("// qqqqqqqqqqqqqqqqqqqqqqqqqq\n" |
| 9724 | " /* some\n" |
| 9725 | " comment */" , |
| 9726 | getLLVMStyle())); |
| 9727 | EXPECT_EQ("// qqqqqqqqqqqqqqqqqqqqqqqqqq\\\n" |
| 9728 | "qqq\n" |
| 9729 | "/* some\n" |
| 9730 | " comment */" , |
| 9731 | format("// qqqqqqqqqqqqqqqqqqqqqqqqqq\\\n" |
| 9732 | "qqq\n" |
| 9733 | " /* some\n" |
| 9734 | " comment */" , |
| 9735 | getLLVMStyle())); |
| 9736 | EXPECT_EQ("inttt qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq\\\n" |
| 9737 | "wwww; /* some\n" |
| 9738 | " comment */" , |
| 9739 | format(" inttt qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq\\\n" |
| 9740 | "wwww; /* some\n" |
| 9741 | " comment */" , |
| 9742 | getLLVMStyle())); |
| 9743 | } |
| 9744 | |
| 9745 | TEST_F(FormatTest, ConfigurableSpaceBeforeParens) { |
| 9746 | FormatStyle NoSpace = getLLVMStyle(); |
| 9747 | NoSpace.SpaceBeforeParens = FormatStyle::SBPO_Never; |
| 9748 | |
| 9749 | verifyFormat("while(true)\n" |
| 9750 | " continue;" , |
| 9751 | NoSpace); |
| 9752 | verifyFormat("for(;;)\n" |
| 9753 | " continue;" , |
| 9754 | NoSpace); |
| 9755 | verifyFormat("if(true)\n" |
| 9756 | " f();\n" |
| 9757 | "else if(true)\n" |
| 9758 | " f();" , |
| 9759 | NoSpace); |
| 9760 | verifyFormat("do {\n" |
| 9761 | " do_something();\n" |
| 9762 | "} while(something());" , |
| 9763 | NoSpace); |
| 9764 | verifyFormat("switch(x) {\n" |
| 9765 | "default:\n" |
| 9766 | " break;\n" |
| 9767 | "}" , |
| 9768 | NoSpace); |
| 9769 | verifyFormat("auto i = std::make_unique<int>(5);" , NoSpace); |
| 9770 | verifyFormat("size_t x = sizeof(x);" , NoSpace); |
| 9771 | verifyFormat("auto f(int x) -> decltype(x);" , NoSpace); |
| 9772 | verifyFormat("int f(T x) noexcept(x.create());" , NoSpace); |
| 9773 | verifyFormat("alignas(128) char a[128];" , NoSpace); |
| 9774 | verifyFormat("size_t x = alignof(MyType);" , NoSpace); |
| 9775 | verifyFormat("static_assert(sizeof(char) == 1, \"Impossible!\");" , NoSpace); |
| 9776 | verifyFormat("int f() throw(Deprecated);" , NoSpace); |
| 9777 | verifyFormat("typedef void (*cb)(int);" , NoSpace); |
| 9778 | verifyFormat("T A::operator()();" , NoSpace); |
| 9779 | verifyFormat("X A::operator++(T);" , NoSpace); |
| 9780 | verifyFormat("auto lambda = []() { return 0; };" , NoSpace); |
| 9781 | |
| 9782 | FormatStyle Space = getLLVMStyle(); |
| 9783 | Space.SpaceBeforeParens = FormatStyle::SBPO_Always; |
| 9784 | |
| 9785 | verifyFormat("int f ();" , Space); |
| 9786 | verifyFormat("void f (int a, T b) {\n" |
| 9787 | " while (true)\n" |
| 9788 | " continue;\n" |
| 9789 | "}" , |
| 9790 | Space); |
| 9791 | verifyFormat("if (true)\n" |
| 9792 | " f ();\n" |
| 9793 | "else if (true)\n" |
| 9794 | " f ();" , |
| 9795 | Space); |
| 9796 | verifyFormat("do {\n" |
| 9797 | " do_something ();\n" |
| 9798 | "} while (something ());" , |
| 9799 | Space); |
| 9800 | verifyFormat("switch (x) {\n" |
| 9801 | "default:\n" |
| 9802 | " break;\n" |
| 9803 | "}" , |
| 9804 | Space); |
| 9805 | verifyFormat("A::A () : a (1) {}" , Space); |
| 9806 | verifyFormat("void f () __attribute__ ((asdf));" , Space); |
| 9807 | verifyFormat("*(&a + 1);\n" |
| 9808 | "&((&a)[1]);\n" |
| 9809 | "a[(b + c) * d];\n" |
| 9810 | "(((a + 1) * 2) + 3) * 4;" , |
| 9811 | Space); |
| 9812 | verifyFormat("#define A(x) x" , Space); |
| 9813 | verifyFormat("#define A (x) x" , Space); |
| 9814 | verifyFormat("#if defined(x)\n" |
| 9815 | "#endif" , |
| 9816 | Space); |
| 9817 | verifyFormat("auto i = std::make_unique<int> (5);" , Space); |
| 9818 | verifyFormat("size_t x = sizeof (x);" , Space); |
| 9819 | verifyFormat("auto f (int x) -> decltype (x);" , Space); |
| 9820 | verifyFormat("int f (T x) noexcept (x.create ());" , Space); |
| 9821 | verifyFormat("alignas (128) char a[128];" , Space); |
| 9822 | verifyFormat("size_t x = alignof (MyType);" , Space); |
| 9823 | verifyFormat("static_assert (sizeof (char) == 1, \"Impossible!\");" , Space); |
| 9824 | verifyFormat("int f () throw (Deprecated);" , Space); |
| 9825 | verifyFormat("typedef void (*cb) (int);" , Space); |
| 9826 | verifyFormat("T A::operator() ();" , Space); |
| 9827 | verifyFormat("X A::operator++ (T);" , Space); |
| 9828 | verifyFormat("auto lambda = [] () { return 0; };" , Space); |
| 9829 | verifyFormat("int x = int (y);" , Space); |
| 9830 | |
| 9831 | FormatStyle SomeSpace = getLLVMStyle(); |
| 9832 | SomeSpace.SpaceBeforeParens = FormatStyle::SBPO_NonEmptyParentheses; |
| 9833 | |
| 9834 | verifyFormat("[]() -> float {}" , SomeSpace); |
| 9835 | verifyFormat("[] (auto foo) {}" , SomeSpace); |
| 9836 | verifyFormat("[foo]() -> int {}" , SomeSpace); |
| 9837 | verifyFormat("int f();" , SomeSpace); |
| 9838 | verifyFormat("void f (int a, T b) {\n" |
| 9839 | " while (true)\n" |
| 9840 | " continue;\n" |
| 9841 | "}" , |
| 9842 | SomeSpace); |
| 9843 | verifyFormat("if (true)\n" |
| 9844 | " f();\n" |
| 9845 | "else if (true)\n" |
| 9846 | " f();" , |
| 9847 | SomeSpace); |
| 9848 | verifyFormat("do {\n" |
| 9849 | " do_something();\n" |
| 9850 | "} while (something());" , |
| 9851 | SomeSpace); |
| 9852 | verifyFormat("switch (x) {\n" |
| 9853 | "default:\n" |
| 9854 | " break;\n" |
| 9855 | "}" , |
| 9856 | SomeSpace); |
| 9857 | verifyFormat("A::A() : a (1) {}" , SomeSpace); |
| 9858 | verifyFormat("void f() __attribute__ ((asdf));" , SomeSpace); |
| 9859 | verifyFormat("*(&a + 1);\n" |
| 9860 | "&((&a)[1]);\n" |
| 9861 | "a[(b + c) * d];\n" |
| 9862 | "(((a + 1) * 2) + 3) * 4;" , |
| 9863 | SomeSpace); |
| 9864 | verifyFormat("#define A(x) x" , SomeSpace); |
| 9865 | verifyFormat("#define A (x) x" , SomeSpace); |
| 9866 | verifyFormat("#if defined(x)\n" |
| 9867 | "#endif" , |
| 9868 | SomeSpace); |
| 9869 | verifyFormat("auto i = std::make_unique<int> (5);" , SomeSpace); |
| 9870 | verifyFormat("size_t x = sizeof (x);" , SomeSpace); |
| 9871 | verifyFormat("auto f (int x) -> decltype (x);" , SomeSpace); |
| 9872 | verifyFormat("int f (T x) noexcept (x.create());" , SomeSpace); |
| 9873 | verifyFormat("alignas (128) char a[128];" , SomeSpace); |
| 9874 | verifyFormat("size_t x = alignof (MyType);" , SomeSpace); |
| 9875 | verifyFormat("static_assert (sizeof (char) == 1, \"Impossible!\");" , |
| 9876 | SomeSpace); |
| 9877 | verifyFormat("int f() throw (Deprecated);" , SomeSpace); |
| 9878 | verifyFormat("typedef void (*cb) (int);" , SomeSpace); |
| 9879 | verifyFormat("T A::operator()();" , SomeSpace); |
| 9880 | verifyFormat("X A::operator++ (T);" , SomeSpace); |
| 9881 | verifyFormat("int x = int (y);" , SomeSpace); |
| 9882 | verifyFormat("auto lambda = []() { return 0; };" , SomeSpace); |
| 9883 | } |
| 9884 | |
| 9885 | TEST_F(FormatTest, SpaceAfterLogicalNot) { |
| 9886 | FormatStyle Spaces = getLLVMStyle(); |
| 9887 | Spaces.SpaceAfterLogicalNot = true; |
| 9888 | |
| 9889 | verifyFormat("bool x = ! y" , Spaces); |
| 9890 | verifyFormat("if (! isFailure())" , Spaces); |
| 9891 | verifyFormat("if (! (a && b))" , Spaces); |
| 9892 | verifyFormat("\"Error!\"" , Spaces); |
| 9893 | verifyFormat("! ! x" , Spaces); |
| 9894 | } |
| 9895 | |
| 9896 | TEST_F(FormatTest, ConfigurableSpacesInParentheses) { |
| 9897 | FormatStyle Spaces = getLLVMStyle(); |
| 9898 | |
| 9899 | Spaces.SpacesInParentheses = true; |
| 9900 | verifyFormat("do_something( ::globalVar );" , Spaces); |
| 9901 | verifyFormat("call( x, y, z );" , Spaces); |
| 9902 | verifyFormat("call();" , Spaces); |
| 9903 | verifyFormat("std::function<void( int, int )> callback;" , Spaces); |
| 9904 | verifyFormat("void inFunction() { std::function<void( int, int )> fct; }" , |
| 9905 | Spaces); |
| 9906 | verifyFormat("while ( (bool)1 )\n" |
| 9907 | " continue;" , |
| 9908 | Spaces); |
| 9909 | verifyFormat("for ( ;; )\n" |
| 9910 | " continue;" , |
| 9911 | Spaces); |
| 9912 | verifyFormat("if ( true )\n" |
| 9913 | " f();\n" |
| 9914 | "else if ( true )\n" |
| 9915 | " f();" , |
| 9916 | Spaces); |
| 9917 | verifyFormat("do {\n" |
| 9918 | " do_something( (int)i );\n" |
| 9919 | "} while ( something() );" , |
| 9920 | Spaces); |
| 9921 | verifyFormat("switch ( x ) {\n" |
| 9922 | "default:\n" |
| 9923 | " break;\n" |
| 9924 | "}" , |
| 9925 | Spaces); |
| 9926 | |
| 9927 | Spaces.SpacesInParentheses = false; |
| 9928 | Spaces.SpacesInCStyleCastParentheses = true; |
| 9929 | verifyFormat("Type *A = ( Type * )P;" , Spaces); |
| 9930 | verifyFormat("Type *A = ( vector<Type *, int *> )P;" , Spaces); |
| 9931 | verifyFormat("x = ( int32 )y;" , Spaces); |
| 9932 | verifyFormat("int a = ( int )(2.0f);" , Spaces); |
| 9933 | verifyFormat("#define AA(X) sizeof((( X * )NULL)->a)" , Spaces); |
| 9934 | verifyFormat("my_int a = ( my_int )sizeof(int);" , Spaces); |
| 9935 | verifyFormat("#define x (( int )-1)" , Spaces); |
| 9936 | |
| 9937 | // Run the first set of tests again with: |
| 9938 | Spaces.SpacesInParentheses = false; |
| 9939 | Spaces.SpaceInEmptyParentheses = true; |
| 9940 | Spaces.SpacesInCStyleCastParentheses = true; |
| 9941 | verifyFormat("call(x, y, z);" , Spaces); |
| 9942 | verifyFormat("call( );" , Spaces); |
| 9943 | verifyFormat("std::function<void(int, int)> callback;" , Spaces); |
| 9944 | verifyFormat("while (( bool )1)\n" |
| 9945 | " continue;" , |
| 9946 | Spaces); |
| 9947 | verifyFormat("for (;;)\n" |
| 9948 | " continue;" , |
| 9949 | Spaces); |
| 9950 | verifyFormat("if (true)\n" |
| 9951 | " f( );\n" |
| 9952 | "else if (true)\n" |
| 9953 | " f( );" , |
| 9954 | Spaces); |
| 9955 | verifyFormat("do {\n" |
| 9956 | " do_something(( int )i);\n" |
| 9957 | "} while (something( ));" , |
| 9958 | Spaces); |
| 9959 | verifyFormat("switch (x) {\n" |
| 9960 | "default:\n" |
| 9961 | " break;\n" |
| 9962 | "}" , |
| 9963 | Spaces); |
| 9964 | |
| 9965 | // Run the first set of tests again with: |
| 9966 | Spaces.SpaceAfterCStyleCast = true; |
| 9967 | verifyFormat("call(x, y, z);" , Spaces); |
| 9968 | verifyFormat("call( );" , Spaces); |
| 9969 | verifyFormat("std::function<void(int, int)> callback;" , Spaces); |
| 9970 | verifyFormat("while (( bool ) 1)\n" |
| 9971 | " continue;" , |
| 9972 | Spaces); |
| 9973 | verifyFormat("for (;;)\n" |
| 9974 | " continue;" , |
| 9975 | Spaces); |
| 9976 | verifyFormat("if (true)\n" |
| 9977 | " f( );\n" |
| 9978 | "else if (true)\n" |
| 9979 | " f( );" , |
| 9980 | Spaces); |
| 9981 | verifyFormat("do {\n" |
| 9982 | " do_something(( int ) i);\n" |
| 9983 | "} while (something( ));" , |
| 9984 | Spaces); |
| 9985 | verifyFormat("switch (x) {\n" |
| 9986 | "default:\n" |
| 9987 | " break;\n" |
| 9988 | "}" , |
| 9989 | Spaces); |
| 9990 | |
| 9991 | // Run subset of tests again with: |
| 9992 | Spaces.SpacesInCStyleCastParentheses = false; |
| 9993 | Spaces.SpaceAfterCStyleCast = true; |
| 9994 | verifyFormat("while ((bool) 1)\n" |
| 9995 | " continue;" , |
| 9996 | Spaces); |
| 9997 | verifyFormat("do {\n" |
| 9998 | " do_something((int) i);\n" |
| 9999 | "} while (something( ));" , |
| 10000 | Spaces); |
| 10001 | } |
| 10002 | |
| 10003 | TEST_F(FormatTest, ConfigurableSpacesInSquareBrackets) { |
| 10004 | verifyFormat("int a[5];" ); |
| 10005 | verifyFormat("a[3] += 42;" ); |
| 10006 | |
| 10007 | FormatStyle Spaces = getLLVMStyle(); |
| 10008 | Spaces.SpacesInSquareBrackets = true; |
| 10009 | // Lambdas unchanged. |
| 10010 | verifyFormat("int c = []() -> int { return 2; }();\n" , Spaces); |
| 10011 | verifyFormat("return [i, args...] {};" , Spaces); |
| 10012 | |
| 10013 | // Not lambdas. |
| 10014 | verifyFormat("int a[ 5 ];" , Spaces); |
| 10015 | verifyFormat("a[ 3 ] += 42;" , Spaces); |
| 10016 | verifyFormat("constexpr char hello[]{\"hello\"};" , Spaces); |
| 10017 | verifyFormat("double &operator[](int i) { return 0; }\n" |
| 10018 | "int i;" , |
| 10019 | Spaces); |
| 10020 | verifyFormat("std::unique_ptr<int[]> foo() {}" , Spaces); |
| 10021 | verifyFormat("int i = a[ a ][ a ]->f();" , Spaces); |
| 10022 | verifyFormat("int i = (*b)[ a ]->f();" , Spaces); |
| 10023 | } |
| 10024 | |
| 10025 | TEST_F(FormatTest, ConfigurableSpaceBeforeAssignmentOperators) { |
| 10026 | verifyFormat("int a = 5;" ); |
| 10027 | verifyFormat("a += 42;" ); |
| 10028 | verifyFormat("a or_eq 8;" ); |
| 10029 | |
| 10030 | FormatStyle Spaces = getLLVMStyle(); |
| 10031 | Spaces.SpaceBeforeAssignmentOperators = false; |
| 10032 | verifyFormat("int a= 5;" , Spaces); |
| 10033 | verifyFormat("a+= 42;" , Spaces); |
| 10034 | verifyFormat("a or_eq 8;" , Spaces); |
| 10035 | } |
| 10036 | |
| 10037 | TEST_F(FormatTest, ConfigurableSpaceBeforeColon) { |
| 10038 | verifyFormat("class Foo : public Bar {};" ); |
| 10039 | verifyFormat("Foo::Foo() : foo(1) {}" ); |
| 10040 | verifyFormat("for (auto a : b) {\n}" ); |
| 10041 | verifyFormat("int x = a ? b : c;" ); |
| 10042 | verifyFormat("{\n" |
| 10043 | "label0:\n" |
| 10044 | " int x = 0;\n" |
| 10045 | "}" ); |
| 10046 | verifyFormat("switch (x) {\n" |
| 10047 | "case 1:\n" |
| 10048 | "default:\n" |
| 10049 | "}" ); |
| 10050 | |
| 10051 | FormatStyle CtorInitializerStyle = getLLVMStyleWithColumns(30); |
| 10052 | CtorInitializerStyle.SpaceBeforeCtorInitializerColon = false; |
| 10053 | verifyFormat("class Foo : public Bar {};" , CtorInitializerStyle); |
| 10054 | verifyFormat("Foo::Foo(): foo(1) {}" , CtorInitializerStyle); |
| 10055 | verifyFormat("for (auto a : b) {\n}" , CtorInitializerStyle); |
| 10056 | verifyFormat("int x = a ? b : c;" , CtorInitializerStyle); |
| 10057 | verifyFormat("{\n" |
| 10058 | "label1:\n" |
| 10059 | " int x = 0;\n" |
| 10060 | "}" , |
| 10061 | CtorInitializerStyle); |
| 10062 | verifyFormat("switch (x) {\n" |
| 10063 | "case 1:\n" |
| 10064 | "default:\n" |
| 10065 | "}" , |
| 10066 | CtorInitializerStyle); |
| 10067 | CtorInitializerStyle.BreakConstructorInitializers = |
| 10068 | FormatStyle::BCIS_AfterColon; |
| 10069 | verifyFormat("Fooooooooooo::Fooooooooooo():\n" |
| 10070 | " aaaaaaaaaaaaaaaa(1),\n" |
| 10071 | " bbbbbbbbbbbbbbbb(2) {}" , |
| 10072 | CtorInitializerStyle); |
| 10073 | CtorInitializerStyle.BreakConstructorInitializers = |
| 10074 | FormatStyle::BCIS_BeforeComma; |
| 10075 | verifyFormat("Fooooooooooo::Fooooooooooo()\n" |
| 10076 | " : aaaaaaaaaaaaaaaa(1)\n" |
| 10077 | " , bbbbbbbbbbbbbbbb(2) {}" , |
| 10078 | CtorInitializerStyle); |
| 10079 | CtorInitializerStyle.BreakConstructorInitializers = |
| 10080 | FormatStyle::BCIS_BeforeColon; |
| 10081 | verifyFormat("Fooooooooooo::Fooooooooooo()\n" |
| 10082 | " : aaaaaaaaaaaaaaaa(1),\n" |
| 10083 | " bbbbbbbbbbbbbbbb(2) {}" , |
| 10084 | CtorInitializerStyle); |
| 10085 | CtorInitializerStyle.ConstructorInitializerIndentWidth = 0; |
| 10086 | verifyFormat("Fooooooooooo::Fooooooooooo()\n" |
| 10087 | ": aaaaaaaaaaaaaaaa(1),\n" |
| 10088 | " bbbbbbbbbbbbbbbb(2) {}" , |
| 10089 | CtorInitializerStyle); |
| 10090 | |
| 10091 | FormatStyle InheritanceStyle = getLLVMStyleWithColumns(30); |
| 10092 | InheritanceStyle.SpaceBeforeInheritanceColon = false; |
| 10093 | verifyFormat("class Foo: public Bar {};" , InheritanceStyle); |
| 10094 | verifyFormat("Foo::Foo() : foo(1) {}" , InheritanceStyle); |
| 10095 | verifyFormat("for (auto a : b) {\n}" , InheritanceStyle); |
| 10096 | verifyFormat("int x = a ? b : c;" , InheritanceStyle); |
| 10097 | verifyFormat("{\n" |
| 10098 | "label2:\n" |
| 10099 | " int x = 0;\n" |
| 10100 | "}" , |
| 10101 | InheritanceStyle); |
| 10102 | verifyFormat("switch (x) {\n" |
| 10103 | "case 1:\n" |
| 10104 | "default:\n" |
| 10105 | "}" , |
| 10106 | InheritanceStyle); |
| 10107 | InheritanceStyle.BreakInheritanceList = FormatStyle::BILS_AfterColon; |
| 10108 | verifyFormat("class Foooooooooooooooooooooo:\n" |
| 10109 | " public aaaaaaaaaaaaaaaaaa,\n" |
| 10110 | " public bbbbbbbbbbbbbbbbbb {\n" |
| 10111 | "}" , |
| 10112 | InheritanceStyle); |
| 10113 | InheritanceStyle.BreakInheritanceList = FormatStyle::BILS_BeforeComma; |
| 10114 | verifyFormat("class Foooooooooooooooooooooo\n" |
| 10115 | " : public aaaaaaaaaaaaaaaaaa\n" |
| 10116 | " , public bbbbbbbbbbbbbbbbbb {\n" |
| 10117 | "}" , |
| 10118 | InheritanceStyle); |
| 10119 | InheritanceStyle.BreakInheritanceList = FormatStyle::BILS_BeforeColon; |
| 10120 | verifyFormat("class Foooooooooooooooooooooo\n" |
| 10121 | " : public aaaaaaaaaaaaaaaaaa,\n" |
| 10122 | " public bbbbbbbbbbbbbbbbbb {\n" |
| 10123 | "}" , |
| 10124 | InheritanceStyle); |
| 10125 | InheritanceStyle.ConstructorInitializerIndentWidth = 0; |
| 10126 | verifyFormat("class Foooooooooooooooooooooo\n" |
| 10127 | ": public aaaaaaaaaaaaaaaaaa,\n" |
| 10128 | " public bbbbbbbbbbbbbbbbbb {}" , |
| 10129 | InheritanceStyle); |
| 10130 | |
| 10131 | FormatStyle ForLoopStyle = getLLVMStyle(); |
| 10132 | ForLoopStyle.SpaceBeforeRangeBasedForLoopColon = false; |
| 10133 | verifyFormat("class Foo : public Bar {};" , ForLoopStyle); |
| 10134 | verifyFormat("Foo::Foo() : foo(1) {}" , ForLoopStyle); |
| 10135 | verifyFormat("for (auto a: b) {\n}" , ForLoopStyle); |
| 10136 | verifyFormat("int x = a ? b : c;" , ForLoopStyle); |
| 10137 | verifyFormat("{\n" |
| 10138 | "label2:\n" |
| 10139 | " int x = 0;\n" |
| 10140 | "}" , |
| 10141 | ForLoopStyle); |
| 10142 | verifyFormat("switch (x) {\n" |
| 10143 | "case 1:\n" |
| 10144 | "default:\n" |
| 10145 | "}" , |
| 10146 | ForLoopStyle); |
| 10147 | |
| 10148 | FormatStyle NoSpaceStyle = getLLVMStyle(); |
| 10149 | NoSpaceStyle.SpaceBeforeCtorInitializerColon = false; |
| 10150 | NoSpaceStyle.SpaceBeforeInheritanceColon = false; |
| 10151 | NoSpaceStyle.SpaceBeforeRangeBasedForLoopColon = false; |
| 10152 | verifyFormat("class Foo: public Bar {};" , NoSpaceStyle); |
| 10153 | verifyFormat("Foo::Foo(): foo(1) {}" , NoSpaceStyle); |
| 10154 | verifyFormat("for (auto a: b) {\n}" , NoSpaceStyle); |
| 10155 | verifyFormat("int x = a ? b : c;" , NoSpaceStyle); |
| 10156 | verifyFormat("{\n" |
| 10157 | "label3:\n" |
| 10158 | " int x = 0;\n" |
| 10159 | "}" , |
| 10160 | NoSpaceStyle); |
| 10161 | verifyFormat("switch (x) {\n" |
| 10162 | "case 1:\n" |
| 10163 | "default:\n" |
| 10164 | "}" , |
| 10165 | NoSpaceStyle); |
| 10166 | } |
| 10167 | |
| 10168 | TEST_F(FormatTest, AlignConsecutiveAssignments) { |
| 10169 | FormatStyle Alignment = getLLVMStyle(); |
| 10170 | Alignment.AlignConsecutiveAssignments = false; |
| 10171 | verifyFormat("int a = 5;\n" |
| 10172 | "int oneTwoThree = 123;" , |
| 10173 | Alignment); |
| 10174 | verifyFormat("int a = 5;\n" |
| 10175 | "int oneTwoThree = 123;" , |
| 10176 | Alignment); |
| 10177 | |
| 10178 | Alignment.AlignConsecutiveAssignments = true; |
| 10179 | verifyFormat("int a = 5;\n" |
| 10180 | "int oneTwoThree = 123;" , |
| 10181 | Alignment); |
| 10182 | verifyFormat("int a = method();\n" |
| 10183 | "int oneTwoThree = 133;" , |
| 10184 | Alignment); |
| 10185 | verifyFormat("a &= 5;\n" |
| 10186 | "bcd *= 5;\n" |
| 10187 | "ghtyf += 5;\n" |
| 10188 | "dvfvdb -= 5;\n" |
| 10189 | "a /= 5;\n" |
| 10190 | "vdsvsv %= 5;\n" |
| 10191 | "sfdbddfbdfbb ^= 5;\n" |
| 10192 | "dvsdsv |= 5;\n" |
| 10193 | "int dsvvdvsdvvv = 123;" , |
| 10194 | Alignment); |
| 10195 | verifyFormat("int i = 1, j = 10;\n" |
| 10196 | "something = 2000;" , |
| 10197 | Alignment); |
| 10198 | verifyFormat("something = 2000;\n" |
| 10199 | "int i = 1, j = 10;\n" , |
| 10200 | Alignment); |
| 10201 | verifyFormat("something = 2000;\n" |
| 10202 | "another = 911;\n" |
| 10203 | "int i = 1, j = 10;\n" |
| 10204 | "oneMore = 1;\n" |
| 10205 | "i = 2;" , |
| 10206 | Alignment); |
| 10207 | verifyFormat("int a = 5;\n" |
| 10208 | "int one = 1;\n" |
| 10209 | "method();\n" |
| 10210 | "int oneTwoThree = 123;\n" |
| 10211 | "int oneTwo = 12;" , |
| 10212 | Alignment); |
| 10213 | verifyFormat("int oneTwoThree = 123;\n" |
| 10214 | "int oneTwo = 12;\n" |
| 10215 | "method();\n" , |
| 10216 | Alignment); |
| 10217 | verifyFormat("int oneTwoThree = 123; // comment\n" |
| 10218 | "int oneTwo = 12; // comment" , |
| 10219 | Alignment); |
| 10220 | EXPECT_EQ("int a = 5;\n" |
| 10221 | "\n" |
| 10222 | "int oneTwoThree = 123;" , |
| 10223 | format("int a = 5;\n" |
| 10224 | "\n" |
| 10225 | "int oneTwoThree= 123;" , |
| 10226 | Alignment)); |
| 10227 | EXPECT_EQ("int a = 5;\n" |
| 10228 | "int one = 1;\n" |
| 10229 | "\n" |
| 10230 | "int oneTwoThree = 123;" , |
| 10231 | format("int a = 5;\n" |
| 10232 | "int one = 1;\n" |
| 10233 | "\n" |
| 10234 | "int oneTwoThree = 123;" , |
| 10235 | Alignment)); |
| 10236 | EXPECT_EQ("int a = 5;\n" |
| 10237 | "int one = 1;\n" |
| 10238 | "\n" |
| 10239 | "int oneTwoThree = 123;\n" |
| 10240 | "int oneTwo = 12;" , |
| 10241 | format("int a = 5;\n" |
| 10242 | "int one = 1;\n" |
| 10243 | "\n" |
| 10244 | "int oneTwoThree = 123;\n" |
| 10245 | "int oneTwo = 12;" , |
| 10246 | Alignment)); |
| 10247 | Alignment.AlignEscapedNewlines = FormatStyle::ENAS_DontAlign; |
| 10248 | verifyFormat("#define A \\\n" |
| 10249 | " int aaaa = 12; \\\n" |
| 10250 | " int b = 23; \\\n" |
| 10251 | " int ccc = 234; \\\n" |
| 10252 | " int dddddddddd = 2345;" , |
| 10253 | Alignment); |
| 10254 | Alignment.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 10255 | verifyFormat("#define A \\\n" |
| 10256 | " int aaaa = 12; \\\n" |
| 10257 | " int b = 23; \\\n" |
| 10258 | " int ccc = 234; \\\n" |
| 10259 | " int dddddddddd = 2345;" , |
| 10260 | Alignment); |
| 10261 | Alignment.AlignEscapedNewlines = FormatStyle::ENAS_Right; |
| 10262 | verifyFormat("#define A " |
| 10263 | " \\\n" |
| 10264 | " int aaaa = 12; " |
| 10265 | " \\\n" |
| 10266 | " int b = 23; " |
| 10267 | " \\\n" |
| 10268 | " int ccc = 234; " |
| 10269 | " \\\n" |
| 10270 | " int dddddddddd = 2345;" , |
| 10271 | Alignment); |
| 10272 | verifyFormat("void SomeFunction(int parameter = 1, int i = 2, int j = 3, int " |
| 10273 | "k = 4, int l = 5,\n" |
| 10274 | " int m = 6) {\n" |
| 10275 | " int j = 10;\n" |
| 10276 | " otherThing = 1;\n" |
| 10277 | "}" , |
| 10278 | Alignment); |
| 10279 | verifyFormat("void SomeFunction(int parameter = 0) {\n" |
| 10280 | " int i = 1;\n" |
| 10281 | " int j = 2;\n" |
| 10282 | " int big = 10000;\n" |
| 10283 | "}" , |
| 10284 | Alignment); |
| 10285 | verifyFormat("class C {\n" |
| 10286 | "public:\n" |
| 10287 | " int i = 1;\n" |
| 10288 | " virtual void f() = 0;\n" |
| 10289 | "};" , |
| 10290 | Alignment); |
| 10291 | verifyFormat("int i = 1;\n" |
| 10292 | "if (SomeType t = getSomething()) {\n" |
| 10293 | "}\n" |
| 10294 | "int j = 2;\n" |
| 10295 | "int big = 10000;" , |
| 10296 | Alignment); |
| 10297 | verifyFormat("int j = 7;\n" |
| 10298 | "for (int k = 0; k < N; ++k) {\n" |
| 10299 | "}\n" |
| 10300 | "int j = 2;\n" |
| 10301 | "int big = 10000;\n" |
| 10302 | "}" , |
| 10303 | Alignment); |
| 10304 | Alignment.BreakBeforeBinaryOperators = FormatStyle::BOS_All; |
| 10305 | verifyFormat("int i = 1;\n" |
| 10306 | "LooooooooooongType loooooooooooooooooooooongVariable\n" |
| 10307 | " = someLooooooooooooooooongFunction();\n" |
| 10308 | "int j = 2;" , |
| 10309 | Alignment); |
| 10310 | Alignment.BreakBeforeBinaryOperators = FormatStyle::BOS_None; |
| 10311 | verifyFormat("int i = 1;\n" |
| 10312 | "LooooooooooongType loooooooooooooooooooooongVariable =\n" |
| 10313 | " someLooooooooooooooooongFunction();\n" |
| 10314 | "int j = 2;" , |
| 10315 | Alignment); |
| 10316 | |
| 10317 | verifyFormat("auto lambda = []() {\n" |
| 10318 | " auto i = 0;\n" |
| 10319 | " return 0;\n" |
| 10320 | "};\n" |
| 10321 | "int i = 0;\n" |
| 10322 | "auto v = type{\n" |
| 10323 | " i = 1, //\n" |
| 10324 | " (i = 2), //\n" |
| 10325 | " i = 3 //\n" |
| 10326 | "};" , |
| 10327 | Alignment); |
| 10328 | |
| 10329 | verifyFormat( |
| 10330 | "int i = 1;\n" |
| 10331 | "SomeType a = SomeFunction(looooooooooooooooooooooongParameterA,\n" |
| 10332 | " loooooooooooooooooooooongParameterB);\n" |
| 10333 | "int j = 2;" , |
| 10334 | Alignment); |
| 10335 | |
| 10336 | verifyFormat("template <typename T, typename T_0 = very_long_type_name_0,\n" |
| 10337 | " typename B = very_long_type_name_1,\n" |
| 10338 | " typename T_2 = very_long_type_name_2>\n" |
| 10339 | "auto foo() {}\n" , |
| 10340 | Alignment); |
| 10341 | verifyFormat("int a, b = 1;\n" |
| 10342 | "int c = 2;\n" |
| 10343 | "int dd = 3;\n" , |
| 10344 | Alignment); |
| 10345 | verifyFormat("int aa = ((1 > 2) ? 3 : 4);\n" |
| 10346 | "float b[1][] = {{3.f}};\n" , |
| 10347 | Alignment); |
| 10348 | verifyFormat("for (int i = 0; i < 1; i++)\n" |
| 10349 | " int x = 1;\n" , |
| 10350 | Alignment); |
| 10351 | verifyFormat("for (i = 0; i < 1; i++)\n" |
| 10352 | " x = 1;\n" |
| 10353 | "y = 1;\n" , |
| 10354 | Alignment); |
| 10355 | } |
| 10356 | |
| 10357 | TEST_F(FormatTest, AlignConsecutiveDeclarations) { |
| 10358 | FormatStyle Alignment = getLLVMStyle(); |
| 10359 | Alignment.AlignConsecutiveDeclarations = false; |
| 10360 | verifyFormat("float const a = 5;\n" |
| 10361 | "int oneTwoThree = 123;" , |
| 10362 | Alignment); |
| 10363 | verifyFormat("int a = 5;\n" |
| 10364 | "float const oneTwoThree = 123;" , |
| 10365 | Alignment); |
| 10366 | |
| 10367 | Alignment.AlignConsecutiveDeclarations = true; |
| 10368 | verifyFormat("float const a = 5;\n" |
| 10369 | "int oneTwoThree = 123;" , |
| 10370 | Alignment); |
| 10371 | verifyFormat("int a = method();\n" |
| 10372 | "float const oneTwoThree = 133;" , |
| 10373 | Alignment); |
| 10374 | verifyFormat("int i = 1, j = 10;\n" |
| 10375 | "something = 2000;" , |
| 10376 | Alignment); |
| 10377 | verifyFormat("something = 2000;\n" |
| 10378 | "int i = 1, j = 10;\n" , |
| 10379 | Alignment); |
| 10380 | verifyFormat("float something = 2000;\n" |
| 10381 | "double another = 911;\n" |
| 10382 | "int i = 1, j = 10;\n" |
| 10383 | "const int *oneMore = 1;\n" |
| 10384 | "unsigned i = 2;" , |
| 10385 | Alignment); |
| 10386 | verifyFormat("float a = 5;\n" |
| 10387 | "int one = 1;\n" |
| 10388 | "method();\n" |
| 10389 | "const double oneTwoThree = 123;\n" |
| 10390 | "const unsigned int oneTwo = 12;" , |
| 10391 | Alignment); |
| 10392 | verifyFormat("int oneTwoThree{0}; // comment\n" |
| 10393 | "unsigned oneTwo; // comment" , |
| 10394 | Alignment); |
| 10395 | EXPECT_EQ("float const a = 5;\n" |
| 10396 | "\n" |
| 10397 | "int oneTwoThree = 123;" , |
| 10398 | format("float const a = 5;\n" |
| 10399 | "\n" |
| 10400 | "int oneTwoThree= 123;" , |
| 10401 | Alignment)); |
| 10402 | EXPECT_EQ("float a = 5;\n" |
| 10403 | "int one = 1;\n" |
| 10404 | "\n" |
| 10405 | "unsigned oneTwoThree = 123;" , |
| 10406 | format("float a = 5;\n" |
| 10407 | "int one = 1;\n" |
| 10408 | "\n" |
| 10409 | "unsigned oneTwoThree = 123;" , |
| 10410 | Alignment)); |
| 10411 | EXPECT_EQ("float a = 5;\n" |
| 10412 | "int one = 1;\n" |
| 10413 | "\n" |
| 10414 | "unsigned oneTwoThree = 123;\n" |
| 10415 | "int oneTwo = 12;" , |
| 10416 | format("float a = 5;\n" |
| 10417 | "int one = 1;\n" |
| 10418 | "\n" |
| 10419 | "unsigned oneTwoThree = 123;\n" |
| 10420 | "int oneTwo = 12;" , |
| 10421 | Alignment)); |
| 10422 | // Function prototype alignment |
| 10423 | verifyFormat("int a();\n" |
| 10424 | "double b();" , |
| 10425 | Alignment); |
| 10426 | verifyFormat("int a(int x);\n" |
| 10427 | "double b();" , |
| 10428 | Alignment); |
| 10429 | unsigned OldColumnLimit = Alignment.ColumnLimit; |
| 10430 | // We need to set ColumnLimit to zero, in order to stress nested alignments, |
| 10431 | // otherwise the function parameters will be re-flowed onto a single line. |
| 10432 | Alignment.ColumnLimit = 0; |
| 10433 | EXPECT_EQ("int a(int x,\n" |
| 10434 | " float y);\n" |
| 10435 | "double b(int x,\n" |
| 10436 | " double y);" , |
| 10437 | format("int a(int x,\n" |
| 10438 | " float y);\n" |
| 10439 | "double b(int x,\n" |
| 10440 | " double y);" , |
| 10441 | Alignment)); |
| 10442 | // This ensures that function parameters of function declarations are |
| 10443 | // correctly indented when their owning functions are indented. |
| 10444 | // The failure case here is for 'double y' to not be indented enough. |
| 10445 | EXPECT_EQ("double a(int x);\n" |
| 10446 | "int b(int y,\n" |
| 10447 | " double z);" , |
| 10448 | format("double a(int x);\n" |
| 10449 | "int b(int y,\n" |
| 10450 | " double z);" , |
| 10451 | Alignment)); |
| 10452 | // Set ColumnLimit low so that we induce wrapping immediately after |
| 10453 | // the function name and opening paren. |
| 10454 | Alignment.ColumnLimit = 13; |
| 10455 | verifyFormat("int function(\n" |
| 10456 | " int x,\n" |
| 10457 | " bool y);" , |
| 10458 | Alignment); |
| 10459 | Alignment.ColumnLimit = OldColumnLimit; |
| 10460 | // Ensure function pointers don't screw up recursive alignment |
| 10461 | verifyFormat("int a(int x, void (*fp)(int y));\n" |
| 10462 | "double b();" , |
| 10463 | Alignment); |
| 10464 | Alignment.AlignConsecutiveAssignments = true; |
| 10465 | // Ensure recursive alignment is broken by function braces, so that the |
| 10466 | // "a = 1" does not align with subsequent assignments inside the function |
| 10467 | // body. |
| 10468 | verifyFormat("int func(int a = 1) {\n" |
| 10469 | " int b = 2;\n" |
| 10470 | " int cc = 3;\n" |
| 10471 | "}" , |
| 10472 | Alignment); |
| 10473 | verifyFormat("float something = 2000;\n" |
| 10474 | "double another = 911;\n" |
| 10475 | "int i = 1, j = 10;\n" |
| 10476 | "const int *oneMore = 1;\n" |
| 10477 | "unsigned i = 2;" , |
| 10478 | Alignment); |
| 10479 | verifyFormat("int oneTwoThree = {0}; // comment\n" |
| 10480 | "unsigned oneTwo = 0; // comment" , |
| 10481 | Alignment); |
| 10482 | // Make sure that scope is correctly tracked, in the absence of braces |
| 10483 | verifyFormat("for (int i = 0; i < n; i++)\n" |
| 10484 | " j = i;\n" |
| 10485 | "double x = 1;\n" , |
| 10486 | Alignment); |
| 10487 | verifyFormat("if (int i = 0)\n" |
| 10488 | " j = i;\n" |
| 10489 | "double x = 1;\n" , |
| 10490 | Alignment); |
| 10491 | // Ensure operator[] and operator() are comprehended |
| 10492 | verifyFormat("struct test {\n" |
| 10493 | " long long int foo();\n" |
| 10494 | " int operator[](int a);\n" |
| 10495 | " double bar();\n" |
| 10496 | "};\n" , |
| 10497 | Alignment); |
| 10498 | verifyFormat("struct test {\n" |
| 10499 | " long long int foo();\n" |
| 10500 | " int operator()(int a);\n" |
| 10501 | " double bar();\n" |
| 10502 | "};\n" , |
| 10503 | Alignment); |
| 10504 | EXPECT_EQ("void SomeFunction(int parameter = 0) {\n" |
| 10505 | " int const i = 1;\n" |
| 10506 | " int * j = 2;\n" |
| 10507 | " int big = 10000;\n" |
| 10508 | "\n" |
| 10509 | " unsigned oneTwoThree = 123;\n" |
| 10510 | " int oneTwo = 12;\n" |
| 10511 | " method();\n" |
| 10512 | " float k = 2;\n" |
| 10513 | " int ll = 10000;\n" |
| 10514 | "}" , |
| 10515 | format("void SomeFunction(int parameter= 0) {\n" |
| 10516 | " int const i= 1;\n" |
| 10517 | " int *j=2;\n" |
| 10518 | " int big = 10000;\n" |
| 10519 | "\n" |
| 10520 | "unsigned oneTwoThree =123;\n" |
| 10521 | "int oneTwo = 12;\n" |
| 10522 | " method();\n" |
| 10523 | "float k= 2;\n" |
| 10524 | "int ll=10000;\n" |
| 10525 | "}" , |
| 10526 | Alignment)); |
| 10527 | Alignment.AlignConsecutiveAssignments = false; |
| 10528 | Alignment.AlignEscapedNewlines = FormatStyle::ENAS_DontAlign; |
| 10529 | verifyFormat("#define A \\\n" |
| 10530 | " int aaaa = 12; \\\n" |
| 10531 | " float b = 23; \\\n" |
| 10532 | " const int ccc = 234; \\\n" |
| 10533 | " unsigned dddddddddd = 2345;" , |
| 10534 | Alignment); |
| 10535 | Alignment.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 10536 | verifyFormat("#define A \\\n" |
| 10537 | " int aaaa = 12; \\\n" |
| 10538 | " float b = 23; \\\n" |
| 10539 | " const int ccc = 234; \\\n" |
| 10540 | " unsigned dddddddddd = 2345;" , |
| 10541 | Alignment); |
| 10542 | Alignment.AlignEscapedNewlines = FormatStyle::ENAS_Right; |
| 10543 | Alignment.ColumnLimit = 30; |
| 10544 | verifyFormat("#define A \\\n" |
| 10545 | " int aaaa = 12; \\\n" |
| 10546 | " float b = 23; \\\n" |
| 10547 | " const int ccc = 234; \\\n" |
| 10548 | " int dddddddddd = 2345;" , |
| 10549 | Alignment); |
| 10550 | Alignment.ColumnLimit = 80; |
| 10551 | verifyFormat("void SomeFunction(int parameter = 1, int i = 2, int j = 3, int " |
| 10552 | "k = 4, int l = 5,\n" |
| 10553 | " int m = 6) {\n" |
| 10554 | " const int j = 10;\n" |
| 10555 | " otherThing = 1;\n" |
| 10556 | "}" , |
| 10557 | Alignment); |
| 10558 | verifyFormat("void SomeFunction(int parameter = 0) {\n" |
| 10559 | " int const i = 1;\n" |
| 10560 | " int * j = 2;\n" |
| 10561 | " int big = 10000;\n" |
| 10562 | "}" , |
| 10563 | Alignment); |
| 10564 | verifyFormat("class C {\n" |
| 10565 | "public:\n" |
| 10566 | " int i = 1;\n" |
| 10567 | " virtual void f() = 0;\n" |
| 10568 | "};" , |
| 10569 | Alignment); |
| 10570 | verifyFormat("float i = 1;\n" |
| 10571 | "if (SomeType t = getSomething()) {\n" |
| 10572 | "}\n" |
| 10573 | "const unsigned j = 2;\n" |
| 10574 | "int big = 10000;" , |
| 10575 | Alignment); |
| 10576 | verifyFormat("float j = 7;\n" |
| 10577 | "for (int k = 0; k < N; ++k) {\n" |
| 10578 | "}\n" |
| 10579 | "unsigned j = 2;\n" |
| 10580 | "int big = 10000;\n" |
| 10581 | "}" , |
| 10582 | Alignment); |
| 10583 | Alignment.BreakBeforeBinaryOperators = FormatStyle::BOS_All; |
| 10584 | verifyFormat("float i = 1;\n" |
| 10585 | "LooooooooooongType loooooooooooooooooooooongVariable\n" |
| 10586 | " = someLooooooooooooooooongFunction();\n" |
| 10587 | "int j = 2;" , |
| 10588 | Alignment); |
| 10589 | Alignment.BreakBeforeBinaryOperators = FormatStyle::BOS_None; |
| 10590 | verifyFormat("int i = 1;\n" |
| 10591 | "LooooooooooongType loooooooooooooooooooooongVariable =\n" |
| 10592 | " someLooooooooooooooooongFunction();\n" |
| 10593 | "int j = 2;" , |
| 10594 | Alignment); |
| 10595 | |
| 10596 | Alignment.AlignConsecutiveAssignments = true; |
| 10597 | verifyFormat("auto lambda = []() {\n" |
| 10598 | " auto ii = 0;\n" |
| 10599 | " float j = 0;\n" |
| 10600 | " return 0;\n" |
| 10601 | "};\n" |
| 10602 | "int i = 0;\n" |
| 10603 | "float i2 = 0;\n" |
| 10604 | "auto v = type{\n" |
| 10605 | " i = 1, //\n" |
| 10606 | " (i = 2), //\n" |
| 10607 | " i = 3 //\n" |
| 10608 | "};" , |
| 10609 | Alignment); |
| 10610 | Alignment.AlignConsecutiveAssignments = false; |
| 10611 | |
| 10612 | verifyFormat( |
| 10613 | "int i = 1;\n" |
| 10614 | "SomeType a = SomeFunction(looooooooooooooooooooooongParameterA,\n" |
| 10615 | " loooooooooooooooooooooongParameterB);\n" |
| 10616 | "int j = 2;" , |
| 10617 | Alignment); |
| 10618 | |
| 10619 | // Test interactions with ColumnLimit and AlignConsecutiveAssignments: |
| 10620 | // We expect declarations and assignments to align, as long as it doesn't |
| 10621 | // exceed the column limit, starting a new alignment sequence whenever it |
| 10622 | // happens. |
| 10623 | Alignment.AlignConsecutiveAssignments = true; |
| 10624 | Alignment.ColumnLimit = 30; |
| 10625 | verifyFormat("float ii = 1;\n" |
| 10626 | "unsigned j = 2;\n" |
| 10627 | "int someVerylongVariable = 1;\n" |
| 10628 | "AnotherLongType ll = 123456;\n" |
| 10629 | "VeryVeryLongType k = 2;\n" |
| 10630 | "int myvar = 1;" , |
| 10631 | Alignment); |
| 10632 | Alignment.ColumnLimit = 80; |
| 10633 | Alignment.AlignConsecutiveAssignments = false; |
| 10634 | |
| 10635 | verifyFormat( |
| 10636 | "template <typename LongTemplate, typename VeryLongTemplateTypeName,\n" |
| 10637 | " typename LongType, typename B>\n" |
| 10638 | "auto foo() {}\n" , |
| 10639 | Alignment); |
| 10640 | verifyFormat("float a, b = 1;\n" |
| 10641 | "int c = 2;\n" |
| 10642 | "int dd = 3;\n" , |
| 10643 | Alignment); |
| 10644 | verifyFormat("int aa = ((1 > 2) ? 3 : 4);\n" |
| 10645 | "float b[1][] = {{3.f}};\n" , |
| 10646 | Alignment); |
| 10647 | Alignment.AlignConsecutiveAssignments = true; |
| 10648 | verifyFormat("float a, b = 1;\n" |
| 10649 | "int c = 2;\n" |
| 10650 | "int dd = 3;\n" , |
| 10651 | Alignment); |
| 10652 | verifyFormat("int aa = ((1 > 2) ? 3 : 4);\n" |
| 10653 | "float b[1][] = {{3.f}};\n" , |
| 10654 | Alignment); |
| 10655 | Alignment.AlignConsecutiveAssignments = false; |
| 10656 | |
| 10657 | Alignment.ColumnLimit = 30; |
| 10658 | Alignment.BinPackParameters = false; |
| 10659 | verifyFormat("void foo(float a,\n" |
| 10660 | " float b,\n" |
| 10661 | " int c,\n" |
| 10662 | " uint32_t *d) {\n" |
| 10663 | " int * e = 0;\n" |
| 10664 | " float f = 0;\n" |
| 10665 | " double g = 0;\n" |
| 10666 | "}\n" |
| 10667 | "void bar(ino_t a,\n" |
| 10668 | " int b,\n" |
| 10669 | " uint32_t *c,\n" |
| 10670 | " bool d) {}\n" , |
| 10671 | Alignment); |
| 10672 | Alignment.BinPackParameters = true; |
| 10673 | Alignment.ColumnLimit = 80; |
| 10674 | |
| 10675 | // Bug 33507 |
| 10676 | Alignment.PointerAlignment = FormatStyle::PAS_Middle; |
| 10677 | verifyFormat( |
| 10678 | "auto found = range::find_if(vsProducts, [&](auto * aProduct) {\n" |
| 10679 | " static const Version verVs2017;\n" |
| 10680 | " return true;\n" |
| 10681 | "});\n" , |
| 10682 | Alignment); |
| 10683 | Alignment.PointerAlignment = FormatStyle::PAS_Right; |
| 10684 | |
| 10685 | // See llvm.org/PR35641 |
| 10686 | Alignment.AlignConsecutiveDeclarations = true; |
| 10687 | verifyFormat("int func() { //\n" |
| 10688 | " int b;\n" |
| 10689 | " unsigned c;\n" |
| 10690 | "}" , |
| 10691 | Alignment); |
| 10692 | |
| 10693 | // See PR37175 |
| 10694 | FormatStyle Style = getMozillaStyle(); |
| 10695 | Style.AlignConsecutiveDeclarations = true; |
| 10696 | EXPECT_EQ("DECOR1 /**/ int8_t /**/ DECOR2 /**/\n" |
| 10697 | "foo(int a);" , |
| 10698 | format("DECOR1 /**/ int8_t /**/ DECOR2 /**/ foo (int a);" , Style)); |
| 10699 | } |
| 10700 | |
| 10701 | TEST_F(FormatTest, LinuxBraceBreaking) { |
| 10702 | FormatStyle LinuxBraceStyle = getLLVMStyle(); |
| 10703 | LinuxBraceStyle.BreakBeforeBraces = FormatStyle::BS_Linux; |
| 10704 | verifyFormat("namespace a\n" |
| 10705 | "{\n" |
| 10706 | "class A\n" |
| 10707 | "{\n" |
| 10708 | " void f()\n" |
| 10709 | " {\n" |
| 10710 | " if (true) {\n" |
| 10711 | " a();\n" |
| 10712 | " b();\n" |
| 10713 | " } else {\n" |
| 10714 | " a();\n" |
| 10715 | " }\n" |
| 10716 | " }\n" |
| 10717 | " void g() { return; }\n" |
| 10718 | "};\n" |
| 10719 | "struct B {\n" |
| 10720 | " int x;\n" |
| 10721 | "};\n" |
| 10722 | "} // namespace a\n" , |
| 10723 | LinuxBraceStyle); |
| 10724 | verifyFormat("enum X {\n" |
| 10725 | " Y = 0,\n" |
| 10726 | "}\n" , |
| 10727 | LinuxBraceStyle); |
| 10728 | verifyFormat("struct S {\n" |
| 10729 | " int Type;\n" |
| 10730 | " union {\n" |
| 10731 | " int x;\n" |
| 10732 | " double y;\n" |
| 10733 | " } Value;\n" |
| 10734 | " class C\n" |
| 10735 | " {\n" |
| 10736 | " MyFavoriteType Value;\n" |
| 10737 | " } Class;\n" |
| 10738 | "}\n" , |
| 10739 | LinuxBraceStyle); |
| 10740 | } |
| 10741 | |
| 10742 | TEST_F(FormatTest, MozillaBraceBreaking) { |
| 10743 | FormatStyle MozillaBraceStyle = getLLVMStyle(); |
| 10744 | MozillaBraceStyle.BreakBeforeBraces = FormatStyle::BS_Mozilla; |
| 10745 | MozillaBraceStyle.FixNamespaceComments = false; |
| 10746 | verifyFormat("namespace a {\n" |
| 10747 | "class A\n" |
| 10748 | "{\n" |
| 10749 | " void f()\n" |
| 10750 | " {\n" |
| 10751 | " if (true) {\n" |
| 10752 | " a();\n" |
| 10753 | " b();\n" |
| 10754 | " }\n" |
| 10755 | " }\n" |
| 10756 | " void g() { return; }\n" |
| 10757 | "};\n" |
| 10758 | "enum E\n" |
| 10759 | "{\n" |
| 10760 | " A,\n" |
| 10761 | " // foo\n" |
| 10762 | " B,\n" |
| 10763 | " C\n" |
| 10764 | "};\n" |
| 10765 | "struct B\n" |
| 10766 | "{\n" |
| 10767 | " int x;\n" |
| 10768 | "};\n" |
| 10769 | "}\n" , |
| 10770 | MozillaBraceStyle); |
| 10771 | verifyFormat("struct S\n" |
| 10772 | "{\n" |
| 10773 | " int Type;\n" |
| 10774 | " union\n" |
| 10775 | " {\n" |
| 10776 | " int x;\n" |
| 10777 | " double y;\n" |
| 10778 | " } Value;\n" |
| 10779 | " class C\n" |
| 10780 | " {\n" |
| 10781 | " MyFavoriteType Value;\n" |
| 10782 | " } Class;\n" |
| 10783 | "}\n" , |
| 10784 | MozillaBraceStyle); |
| 10785 | } |
| 10786 | |
| 10787 | TEST_F(FormatTest, StroustrupBraceBreaking) { |
| 10788 | FormatStyle StroustrupBraceStyle = getLLVMStyle(); |
| 10789 | StroustrupBraceStyle.BreakBeforeBraces = FormatStyle::BS_Stroustrup; |
| 10790 | verifyFormat("namespace a {\n" |
| 10791 | "class A {\n" |
| 10792 | " void f()\n" |
| 10793 | " {\n" |
| 10794 | " if (true) {\n" |
| 10795 | " a();\n" |
| 10796 | " b();\n" |
| 10797 | " }\n" |
| 10798 | " }\n" |
| 10799 | " void g() { return; }\n" |
| 10800 | "};\n" |
| 10801 | "struct B {\n" |
| 10802 | " int x;\n" |
| 10803 | "};\n" |
| 10804 | "} // namespace a\n" , |
| 10805 | StroustrupBraceStyle); |
| 10806 | |
| 10807 | verifyFormat("void foo()\n" |
| 10808 | "{\n" |
| 10809 | " if (a) {\n" |
| 10810 | " a();\n" |
| 10811 | " }\n" |
| 10812 | " else {\n" |
| 10813 | " b();\n" |
| 10814 | " }\n" |
| 10815 | "}\n" , |
| 10816 | StroustrupBraceStyle); |
| 10817 | |
| 10818 | verifyFormat("#ifdef _DEBUG\n" |
| 10819 | "int foo(int i = 0)\n" |
| 10820 | "#else\n" |
| 10821 | "int foo(int i = 5)\n" |
| 10822 | "#endif\n" |
| 10823 | "{\n" |
| 10824 | " return i;\n" |
| 10825 | "}" , |
| 10826 | StroustrupBraceStyle); |
| 10827 | |
| 10828 | verifyFormat("void foo() {}\n" |
| 10829 | "void bar()\n" |
| 10830 | "#ifdef _DEBUG\n" |
| 10831 | "{\n" |
| 10832 | " foo();\n" |
| 10833 | "}\n" |
| 10834 | "#else\n" |
| 10835 | "{\n" |
| 10836 | "}\n" |
| 10837 | "#endif" , |
| 10838 | StroustrupBraceStyle); |
| 10839 | |
| 10840 | verifyFormat("void foobar() { int i = 5; }\n" |
| 10841 | "#ifdef _DEBUG\n" |
| 10842 | "void bar() {}\n" |
| 10843 | "#else\n" |
| 10844 | "void bar() { foobar(); }\n" |
| 10845 | "#endif" , |
| 10846 | StroustrupBraceStyle); |
| 10847 | } |
| 10848 | |
| 10849 | TEST_F(FormatTest, AllmanBraceBreaking) { |
| 10850 | FormatStyle AllmanBraceStyle = getLLVMStyle(); |
| 10851 | AllmanBraceStyle.BreakBeforeBraces = FormatStyle::BS_Allman; |
| 10852 | |
| 10853 | EXPECT_EQ("namespace a\n" |
| 10854 | "{\n" |
| 10855 | "void f();\n" |
| 10856 | "void g();\n" |
| 10857 | "} // namespace a\n" , |
| 10858 | format("namespace a\n" |
| 10859 | "{\n" |
| 10860 | "void f();\n" |
| 10861 | "void g();\n" |
| 10862 | "}\n" , |
| 10863 | AllmanBraceStyle)); |
| 10864 | |
| 10865 | verifyFormat("namespace a\n" |
| 10866 | "{\n" |
| 10867 | "class A\n" |
| 10868 | "{\n" |
| 10869 | " void f()\n" |
| 10870 | " {\n" |
| 10871 | " if (true)\n" |
| 10872 | " {\n" |
| 10873 | " a();\n" |
| 10874 | " b();\n" |
| 10875 | " }\n" |
| 10876 | " }\n" |
| 10877 | " void g() { return; }\n" |
| 10878 | "};\n" |
| 10879 | "struct B\n" |
| 10880 | "{\n" |
| 10881 | " int x;\n" |
| 10882 | "};\n" |
| 10883 | "} // namespace a" , |
| 10884 | AllmanBraceStyle); |
| 10885 | |
| 10886 | verifyFormat("void f()\n" |
| 10887 | "{\n" |
| 10888 | " if (true)\n" |
| 10889 | " {\n" |
| 10890 | " a();\n" |
| 10891 | " }\n" |
| 10892 | " else if (false)\n" |
| 10893 | " {\n" |
| 10894 | " b();\n" |
| 10895 | " }\n" |
| 10896 | " else\n" |
| 10897 | " {\n" |
| 10898 | " c();\n" |
| 10899 | " }\n" |
| 10900 | "}\n" , |
| 10901 | AllmanBraceStyle); |
| 10902 | |
| 10903 | verifyFormat("void f()\n" |
| 10904 | "{\n" |
| 10905 | " for (int i = 0; i < 10; ++i)\n" |
| 10906 | " {\n" |
| 10907 | " a();\n" |
| 10908 | " }\n" |
| 10909 | " while (false)\n" |
| 10910 | " {\n" |
| 10911 | " b();\n" |
| 10912 | " }\n" |
| 10913 | " do\n" |
| 10914 | " {\n" |
| 10915 | " c();\n" |
| 10916 | " } while (false)\n" |
| 10917 | "}\n" , |
| 10918 | AllmanBraceStyle); |
| 10919 | |
| 10920 | verifyFormat("void f(int a)\n" |
| 10921 | "{\n" |
| 10922 | " switch (a)\n" |
| 10923 | " {\n" |
| 10924 | " case 0:\n" |
| 10925 | " break;\n" |
| 10926 | " case 1:\n" |
| 10927 | " {\n" |
| 10928 | " break;\n" |
| 10929 | " }\n" |
| 10930 | " case 2:\n" |
| 10931 | " {\n" |
| 10932 | " }\n" |
| 10933 | " break;\n" |
| 10934 | " default:\n" |
| 10935 | " break;\n" |
| 10936 | " }\n" |
| 10937 | "}\n" , |
| 10938 | AllmanBraceStyle); |
| 10939 | |
| 10940 | verifyFormat("enum X\n" |
| 10941 | "{\n" |
| 10942 | " Y = 0,\n" |
| 10943 | "}\n" , |
| 10944 | AllmanBraceStyle); |
| 10945 | verifyFormat("enum X\n" |
| 10946 | "{\n" |
| 10947 | " Y = 0\n" |
| 10948 | "}\n" , |
| 10949 | AllmanBraceStyle); |
| 10950 | |
| 10951 | verifyFormat("@interface BSApplicationController ()\n" |
| 10952 | "{\n" |
| 10953 | "@private\n" |
| 10954 | " id _extraIvar;\n" |
| 10955 | "}\n" |
| 10956 | "@end\n" , |
| 10957 | AllmanBraceStyle); |
| 10958 | |
| 10959 | verifyFormat("#ifdef _DEBUG\n" |
| 10960 | "int foo(int i = 0)\n" |
| 10961 | "#else\n" |
| 10962 | "int foo(int i = 5)\n" |
| 10963 | "#endif\n" |
| 10964 | "{\n" |
| 10965 | " return i;\n" |
| 10966 | "}" , |
| 10967 | AllmanBraceStyle); |
| 10968 | |
| 10969 | verifyFormat("void foo() {}\n" |
| 10970 | "void bar()\n" |
| 10971 | "#ifdef _DEBUG\n" |
| 10972 | "{\n" |
| 10973 | " foo();\n" |
| 10974 | "}\n" |
| 10975 | "#else\n" |
| 10976 | "{\n" |
| 10977 | "}\n" |
| 10978 | "#endif" , |
| 10979 | AllmanBraceStyle); |
| 10980 | |
| 10981 | verifyFormat("void foobar() { int i = 5; }\n" |
| 10982 | "#ifdef _DEBUG\n" |
| 10983 | "void bar() {}\n" |
| 10984 | "#else\n" |
| 10985 | "void bar() { foobar(); }\n" |
| 10986 | "#endif" , |
| 10987 | AllmanBraceStyle); |
| 10988 | |
| 10989 | // This shouldn't affect ObjC blocks.. |
| 10990 | verifyFormat("[self doSomeThingWithACompletionHandler:^{\n" |
| 10991 | " // ...\n" |
| 10992 | " int i;\n" |
| 10993 | "}];" , |
| 10994 | AllmanBraceStyle); |
| 10995 | verifyFormat("void (^block)(void) = ^{\n" |
| 10996 | " // ...\n" |
| 10997 | " int i;\n" |
| 10998 | "};" , |
| 10999 | AllmanBraceStyle); |
| 11000 | // .. or dict literals. |
| 11001 | verifyFormat("void f()\n" |
| 11002 | "{\n" |
| 11003 | " // ...\n" |
| 11004 | " [object someMethod:@{@\"a\" : @\"b\"}];\n" |
| 11005 | "}" , |
| 11006 | AllmanBraceStyle); |
| 11007 | verifyFormat("void f()\n" |
| 11008 | "{\n" |
| 11009 | " // ...\n" |
| 11010 | " [object someMethod:@{a : @\"b\"}];\n" |
| 11011 | "}" , |
| 11012 | AllmanBraceStyle); |
| 11013 | verifyFormat("int f()\n" |
| 11014 | "{ // comment\n" |
| 11015 | " return 42;\n" |
| 11016 | "}" , |
| 11017 | AllmanBraceStyle); |
| 11018 | |
| 11019 | AllmanBraceStyle.ColumnLimit = 19; |
| 11020 | verifyFormat("void f() { int i; }" , AllmanBraceStyle); |
| 11021 | AllmanBraceStyle.ColumnLimit = 18; |
| 11022 | verifyFormat("void f()\n" |
| 11023 | "{\n" |
| 11024 | " int i;\n" |
| 11025 | "}" , |
| 11026 | AllmanBraceStyle); |
| 11027 | AllmanBraceStyle.ColumnLimit = 80; |
| 11028 | |
| 11029 | FormatStyle BreakBeforeBraceShortIfs = AllmanBraceStyle; |
| 11030 | BreakBeforeBraceShortIfs.AllowShortIfStatementsOnASingleLine = |
| 11031 | FormatStyle::SIS_WithoutElse; |
| 11032 | BreakBeforeBraceShortIfs.AllowShortLoopsOnASingleLine = true; |
| 11033 | verifyFormat("void f(bool b)\n" |
| 11034 | "{\n" |
| 11035 | " if (b)\n" |
| 11036 | " {\n" |
| 11037 | " return;\n" |
| 11038 | " }\n" |
| 11039 | "}\n" , |
| 11040 | BreakBeforeBraceShortIfs); |
| 11041 | verifyFormat("void f(bool b)\n" |
| 11042 | "{\n" |
| 11043 | " if constexpr (b)\n" |
| 11044 | " {\n" |
| 11045 | " return;\n" |
| 11046 | " }\n" |
| 11047 | "}\n" , |
| 11048 | BreakBeforeBraceShortIfs); |
| 11049 | verifyFormat("void f(bool b)\n" |
| 11050 | "{\n" |
| 11051 | " if (b) return;\n" |
| 11052 | "}\n" , |
| 11053 | BreakBeforeBraceShortIfs); |
| 11054 | verifyFormat("void f(bool b)\n" |
| 11055 | "{\n" |
| 11056 | " if constexpr (b) return;\n" |
| 11057 | "}\n" , |
| 11058 | BreakBeforeBraceShortIfs); |
| 11059 | verifyFormat("void f(bool b)\n" |
| 11060 | "{\n" |
| 11061 | " while (b)\n" |
| 11062 | " {\n" |
| 11063 | " return;\n" |
| 11064 | " }\n" |
| 11065 | "}\n" , |
| 11066 | BreakBeforeBraceShortIfs); |
| 11067 | } |
| 11068 | |
| 11069 | TEST_F(FormatTest, GNUBraceBreaking) { |
| 11070 | FormatStyle GNUBraceStyle = getLLVMStyle(); |
| 11071 | GNUBraceStyle.BreakBeforeBraces = FormatStyle::BS_GNU; |
| 11072 | verifyFormat("namespace a\n" |
| 11073 | "{\n" |
| 11074 | "class A\n" |
| 11075 | "{\n" |
| 11076 | " void f()\n" |
| 11077 | " {\n" |
| 11078 | " int a;\n" |
| 11079 | " {\n" |
| 11080 | " int b;\n" |
| 11081 | " }\n" |
| 11082 | " if (true)\n" |
| 11083 | " {\n" |
| 11084 | " a();\n" |
| 11085 | " b();\n" |
| 11086 | " }\n" |
| 11087 | " }\n" |
| 11088 | " void g() { return; }\n" |
| 11089 | "}\n" |
| 11090 | "} // namespace a" , |
| 11091 | GNUBraceStyle); |
| 11092 | |
| 11093 | verifyFormat("void f()\n" |
| 11094 | "{\n" |
| 11095 | " if (true)\n" |
| 11096 | " {\n" |
| 11097 | " a();\n" |
| 11098 | " }\n" |
| 11099 | " else if (false)\n" |
| 11100 | " {\n" |
| 11101 | " b();\n" |
| 11102 | " }\n" |
| 11103 | " else\n" |
| 11104 | " {\n" |
| 11105 | " c();\n" |
| 11106 | " }\n" |
| 11107 | "}\n" , |
| 11108 | GNUBraceStyle); |
| 11109 | |
| 11110 | verifyFormat("void f()\n" |
| 11111 | "{\n" |
| 11112 | " for (int i = 0; i < 10; ++i)\n" |
| 11113 | " {\n" |
| 11114 | " a();\n" |
| 11115 | " }\n" |
| 11116 | " while (false)\n" |
| 11117 | " {\n" |
| 11118 | " b();\n" |
| 11119 | " }\n" |
| 11120 | " do\n" |
| 11121 | " {\n" |
| 11122 | " c();\n" |
| 11123 | " }\n" |
| 11124 | " while (false);\n" |
| 11125 | "}\n" , |
| 11126 | GNUBraceStyle); |
| 11127 | |
| 11128 | verifyFormat("void f(int a)\n" |
| 11129 | "{\n" |
| 11130 | " switch (a)\n" |
| 11131 | " {\n" |
| 11132 | " case 0:\n" |
| 11133 | " break;\n" |
| 11134 | " case 1:\n" |
| 11135 | " {\n" |
| 11136 | " break;\n" |
| 11137 | " }\n" |
| 11138 | " case 2:\n" |
| 11139 | " {\n" |
| 11140 | " }\n" |
| 11141 | " break;\n" |
| 11142 | " default:\n" |
| 11143 | " break;\n" |
| 11144 | " }\n" |
| 11145 | "}\n" , |
| 11146 | GNUBraceStyle); |
| 11147 | |
| 11148 | verifyFormat("enum X\n" |
| 11149 | "{\n" |
| 11150 | " Y = 0,\n" |
| 11151 | "}\n" , |
| 11152 | GNUBraceStyle); |
| 11153 | |
| 11154 | verifyFormat("@interface BSApplicationController ()\n" |
| 11155 | "{\n" |
| 11156 | "@private\n" |
| 11157 | " id _extraIvar;\n" |
| 11158 | "}\n" |
| 11159 | "@end\n" , |
| 11160 | GNUBraceStyle); |
| 11161 | |
| 11162 | verifyFormat("#ifdef _DEBUG\n" |
| 11163 | "int foo(int i = 0)\n" |
| 11164 | "#else\n" |
| 11165 | "int foo(int i = 5)\n" |
| 11166 | "#endif\n" |
| 11167 | "{\n" |
| 11168 | " return i;\n" |
| 11169 | "}" , |
| 11170 | GNUBraceStyle); |
| 11171 | |
| 11172 | verifyFormat("void foo() {}\n" |
| 11173 | "void bar()\n" |
| 11174 | "#ifdef _DEBUG\n" |
| 11175 | "{\n" |
| 11176 | " foo();\n" |
| 11177 | "}\n" |
| 11178 | "#else\n" |
| 11179 | "{\n" |
| 11180 | "}\n" |
| 11181 | "#endif" , |
| 11182 | GNUBraceStyle); |
| 11183 | |
| 11184 | verifyFormat("void foobar() { int i = 5; }\n" |
| 11185 | "#ifdef _DEBUG\n" |
| 11186 | "void bar() {}\n" |
| 11187 | "#else\n" |
| 11188 | "void bar() { foobar(); }\n" |
| 11189 | "#endif" , |
| 11190 | GNUBraceStyle); |
| 11191 | } |
| 11192 | |
| 11193 | TEST_F(FormatTest, WebKitBraceBreaking) { |
| 11194 | FormatStyle WebKitBraceStyle = getLLVMStyle(); |
| 11195 | WebKitBraceStyle.BreakBeforeBraces = FormatStyle::BS_WebKit; |
| 11196 | WebKitBraceStyle.FixNamespaceComments = false; |
| 11197 | verifyFormat("namespace a {\n" |
| 11198 | "class A {\n" |
| 11199 | " void f()\n" |
| 11200 | " {\n" |
| 11201 | " if (true) {\n" |
| 11202 | " a();\n" |
| 11203 | " b();\n" |
| 11204 | " }\n" |
| 11205 | " }\n" |
| 11206 | " void g() { return; }\n" |
| 11207 | "};\n" |
| 11208 | "enum E {\n" |
| 11209 | " A,\n" |
| 11210 | " // foo\n" |
| 11211 | " B,\n" |
| 11212 | " C\n" |
| 11213 | "};\n" |
| 11214 | "struct B {\n" |
| 11215 | " int x;\n" |
| 11216 | "};\n" |
| 11217 | "}\n" , |
| 11218 | WebKitBraceStyle); |
| 11219 | verifyFormat("struct S {\n" |
| 11220 | " int Type;\n" |
| 11221 | " union {\n" |
| 11222 | " int x;\n" |
| 11223 | " double y;\n" |
| 11224 | " } Value;\n" |
| 11225 | " class C {\n" |
| 11226 | " MyFavoriteType Value;\n" |
| 11227 | " } Class;\n" |
| 11228 | "};\n" , |
| 11229 | WebKitBraceStyle); |
| 11230 | } |
| 11231 | |
| 11232 | TEST_F(FormatTest, CatchExceptionReferenceBinding) { |
| 11233 | verifyFormat("void f() {\n" |
| 11234 | " try {\n" |
| 11235 | " } catch (const Exception &e) {\n" |
| 11236 | " }\n" |
| 11237 | "}\n" , |
| 11238 | getLLVMStyle()); |
| 11239 | } |
| 11240 | |
| 11241 | TEST_F(FormatTest, UnderstandsPragmas) { |
| 11242 | verifyFormat("#pragma omp reduction(| : var)" ); |
| 11243 | verifyFormat("#pragma omp reduction(+ : var)" ); |
| 11244 | |
| 11245 | EXPECT_EQ("#pragma mark Any non-hyphenated or hyphenated string " |
| 11246 | "(including parentheses)." , |
| 11247 | format("#pragma mark Any non-hyphenated or hyphenated string " |
| 11248 | "(including parentheses)." )); |
| 11249 | } |
| 11250 | |
| 11251 | TEST_F(FormatTest, UnderstandPragmaOption) { |
| 11252 | verifyFormat("#pragma option -C -A" ); |
| 11253 | |
| 11254 | EXPECT_EQ("#pragma option -C -A" , format("#pragma option -C -A" )); |
| 11255 | } |
| 11256 | |
| 11257 | TEST_F(FormatTest, OptimizeBreakPenaltyVsExcess) { |
| 11258 | FormatStyle Style = getLLVMStyle(); |
| 11259 | Style.ColumnLimit = 20; |
| 11260 | |
| 11261 | // See PR41213 |
| 11262 | EXPECT_EQ("/*\n" |
| 11263 | " *\t9012345\n" |
| 11264 | " * /8901\n" |
| 11265 | " */" , |
| 11266 | format("/*\n" |
| 11267 | " *\t9012345 /8901\n" |
| 11268 | " */" , |
| 11269 | Style)); |
| 11270 | EXPECT_EQ("/*\n" |
| 11271 | " *345678\n" |
| 11272 | " *\t/8901\n" |
| 11273 | " */" , |
| 11274 | format("/*\n" |
| 11275 | " *345678\t/8901\n" |
| 11276 | " */" , |
| 11277 | Style)); |
| 11278 | |
| 11279 | verifyFormat("int a; // the\n" |
| 11280 | " // comment" , Style); |
| 11281 | EXPECT_EQ("int a; /* first line\n" |
| 11282 | " * second\n" |
| 11283 | " * line third\n" |
| 11284 | " * line\n" |
| 11285 | " */" , |
| 11286 | format("int a; /* first line\n" |
| 11287 | " * second\n" |
| 11288 | " * line third\n" |
| 11289 | " * line\n" |
| 11290 | " */" , |
| 11291 | Style)); |
| 11292 | EXPECT_EQ("int a; // first line\n" |
| 11293 | " // second\n" |
| 11294 | " // line third\n" |
| 11295 | " // line" , |
| 11296 | format("int a; // first line\n" |
| 11297 | " // second line\n" |
| 11298 | " // third line" , |
| 11299 | Style)); |
| 11300 | |
| 11301 | Style.PenaltyExcessCharacter = 90; |
| 11302 | verifyFormat("int a; // the comment" , Style); |
| 11303 | EXPECT_EQ("int a; // the comment\n" |
| 11304 | " // aaa" , |
| 11305 | format("int a; // the comment aaa" , Style)); |
| 11306 | EXPECT_EQ("int a; /* first line\n" |
| 11307 | " * second line\n" |
| 11308 | " * third line\n" |
| 11309 | " */" , |
| 11310 | format("int a; /* first line\n" |
| 11311 | " * second line\n" |
| 11312 | " * third line\n" |
| 11313 | " */" , |
| 11314 | Style)); |
| 11315 | EXPECT_EQ("int a; // first line\n" |
| 11316 | " // second line\n" |
| 11317 | " // third line" , |
| 11318 | format("int a; // first line\n" |
| 11319 | " // second line\n" |
| 11320 | " // third line" , |
| 11321 | Style)); |
| 11322 | // FIXME: Investigate why this is not getting the same layout as the test |
| 11323 | // above. |
| 11324 | EXPECT_EQ("int a; /* first line\n" |
| 11325 | " * second line\n" |
| 11326 | " * third line\n" |
| 11327 | " */" , |
| 11328 | format("int a; /* first line second line third line" |
| 11329 | "\n*/" , |
| 11330 | Style)); |
| 11331 | |
| 11332 | EXPECT_EQ("// foo bar baz bazfoo\n" |
| 11333 | "// foo bar foo bar\n" , |
| 11334 | format("// foo bar baz bazfoo\n" |
| 11335 | "// foo bar foo bar\n" , |
| 11336 | Style)); |
| 11337 | EXPECT_EQ("// foo bar baz bazfoo\n" |
| 11338 | "// foo bar foo bar\n" , |
| 11339 | format("// foo bar baz bazfoo\n" |
| 11340 | "// foo bar foo bar\n" , |
| 11341 | Style)); |
| 11342 | |
| 11343 | // FIXME: Optimally, we'd keep bazfoo on the first line and reflow bar to the |
| 11344 | // next one. |
| 11345 | EXPECT_EQ("// foo bar baz bazfoo\n" |
| 11346 | "// bar foo bar\n" , |
| 11347 | format("// foo bar baz bazfoo bar\n" |
| 11348 | "// foo bar\n" , |
| 11349 | Style)); |
| 11350 | |
| 11351 | EXPECT_EQ("// foo bar baz bazfoo\n" |
| 11352 | "// foo bar baz bazfoo\n" |
| 11353 | "// bar foo bar\n" , |
| 11354 | format("// foo bar baz bazfoo\n" |
| 11355 | "// foo bar baz bazfoo bar\n" |
| 11356 | "// foo bar\n" , |
| 11357 | Style)); |
| 11358 | |
| 11359 | EXPECT_EQ("// foo bar baz bazfoo\n" |
| 11360 | "// foo bar baz bazfoo\n" |
| 11361 | "// bar foo bar\n" , |
| 11362 | format("// foo bar baz bazfoo\n" |
| 11363 | "// foo bar baz bazfoo bar\n" |
| 11364 | "// foo bar\n" , |
| 11365 | Style)); |
| 11366 | |
| 11367 | // Make sure we do not keep protruding characters if strict mode reflow is |
| 11368 | // cheaper than keeping protruding characters. |
| 11369 | Style.ColumnLimit = 21; |
| 11370 | EXPECT_EQ("// foo foo foo foo\n" |
| 11371 | "// foo foo foo foo\n" |
| 11372 | "// foo foo foo foo\n" , |
| 11373 | format("// foo foo foo foo foo foo foo foo foo foo foo foo\n" , |
| 11374 | Style)); |
| 11375 | |
| 11376 | EXPECT_EQ("int a = /* long block\n" |
| 11377 | " comment */\n" |
| 11378 | " 42;" , |
| 11379 | format("int a = /* long block comment */ 42;" , Style)); |
| 11380 | } |
| 11381 | |
| 11382 | #define EXPECT_ALL_STYLES_EQUAL(Styles) \ |
| 11383 | for (size_t i = 1; i < Styles.size(); ++i) \ |
| 11384 | EXPECT_EQ(Styles[0], Styles[i]) << "Style #" << i << " of " << Styles.size() \ |
| 11385 | << " differs from Style #0" |
| 11386 | |
| 11387 | TEST_F(FormatTest, GetsPredefinedStyleByName) { |
| 11388 | SmallVector<FormatStyle, 3> Styles; |
| 11389 | Styles.resize(3); |
| 11390 | |
| 11391 | Styles[0] = getLLVMStyle(); |
| 11392 | EXPECT_TRUE(getPredefinedStyle("LLVM" , FormatStyle::LK_Cpp, &Styles[1])); |
| 11393 | EXPECT_TRUE(getPredefinedStyle("lLvM" , FormatStyle::LK_Cpp, &Styles[2])); |
| 11394 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11395 | |
| 11396 | Styles[0] = getGoogleStyle(); |
| 11397 | EXPECT_TRUE(getPredefinedStyle("Google" , FormatStyle::LK_Cpp, &Styles[1])); |
| 11398 | EXPECT_TRUE(getPredefinedStyle("gOOgle" , FormatStyle::LK_Cpp, &Styles[2])); |
| 11399 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11400 | |
| 11401 | Styles[0] = getGoogleStyle(FormatStyle::LK_JavaScript); |
| 11402 | EXPECT_TRUE( |
| 11403 | getPredefinedStyle("Google" , FormatStyle::LK_JavaScript, &Styles[1])); |
| 11404 | EXPECT_TRUE( |
| 11405 | getPredefinedStyle("gOOgle" , FormatStyle::LK_JavaScript, &Styles[2])); |
| 11406 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11407 | |
| 11408 | Styles[0] = getChromiumStyle(FormatStyle::LK_Cpp); |
| 11409 | EXPECT_TRUE(getPredefinedStyle("Chromium" , FormatStyle::LK_Cpp, &Styles[1])); |
| 11410 | EXPECT_TRUE(getPredefinedStyle("cHRoMiUM" , FormatStyle::LK_Cpp, &Styles[2])); |
| 11411 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11412 | |
| 11413 | Styles[0] = getMozillaStyle(); |
| 11414 | EXPECT_TRUE(getPredefinedStyle("Mozilla" , FormatStyle::LK_Cpp, &Styles[1])); |
| 11415 | EXPECT_TRUE(getPredefinedStyle("moZILla" , FormatStyle::LK_Cpp, &Styles[2])); |
| 11416 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11417 | |
| 11418 | Styles[0] = getWebKitStyle(); |
| 11419 | EXPECT_TRUE(getPredefinedStyle("WebKit" , FormatStyle::LK_Cpp, &Styles[1])); |
| 11420 | EXPECT_TRUE(getPredefinedStyle("wEbKit" , FormatStyle::LK_Cpp, &Styles[2])); |
| 11421 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11422 | |
| 11423 | Styles[0] = getGNUStyle(); |
| 11424 | EXPECT_TRUE(getPredefinedStyle("GNU" , FormatStyle::LK_Cpp, &Styles[1])); |
| 11425 | EXPECT_TRUE(getPredefinedStyle("gnU" , FormatStyle::LK_Cpp, &Styles[2])); |
| 11426 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11427 | |
| 11428 | EXPECT_FALSE(getPredefinedStyle("qwerty" , FormatStyle::LK_Cpp, &Styles[0])); |
| 11429 | } |
| 11430 | |
| 11431 | TEST_F(FormatTest, GetsCorrectBasedOnStyle) { |
| 11432 | SmallVector<FormatStyle, 8> Styles; |
| 11433 | Styles.resize(2); |
| 11434 | |
| 11435 | Styles[0] = getGoogleStyle(); |
| 11436 | Styles[1] = getLLVMStyle(); |
| 11437 | EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google" , &Styles[1]).value()); |
| 11438 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11439 | |
| 11440 | Styles.resize(5); |
| 11441 | Styles[0] = getGoogleStyle(FormatStyle::LK_JavaScript); |
| 11442 | Styles[1] = getLLVMStyle(); |
| 11443 | Styles[1].Language = FormatStyle::LK_JavaScript; |
| 11444 | EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google" , &Styles[1]).value()); |
| 11445 | |
| 11446 | Styles[2] = getLLVMStyle(); |
| 11447 | Styles[2].Language = FormatStyle::LK_JavaScript; |
| 11448 | EXPECT_EQ(0, parseConfiguration("Language: JavaScript\n" |
| 11449 | "BasedOnStyle: Google" , |
| 11450 | &Styles[2]) |
| 11451 | .value()); |
| 11452 | |
| 11453 | Styles[3] = getLLVMStyle(); |
| 11454 | Styles[3].Language = FormatStyle::LK_JavaScript; |
| 11455 | EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google\n" |
| 11456 | "Language: JavaScript" , |
| 11457 | &Styles[3]) |
| 11458 | .value()); |
| 11459 | |
| 11460 | Styles[4] = getLLVMStyle(); |
| 11461 | Styles[4].Language = FormatStyle::LK_JavaScript; |
| 11462 | EXPECT_EQ(0, parseConfiguration("---\n" |
| 11463 | "BasedOnStyle: LLVM\n" |
| 11464 | "IndentWidth: 123\n" |
| 11465 | "---\n" |
| 11466 | "BasedOnStyle: Google\n" |
| 11467 | "Language: JavaScript" , |
| 11468 | &Styles[4]) |
| 11469 | .value()); |
| 11470 | EXPECT_ALL_STYLES_EQUAL(Styles); |
| 11471 | } |
| 11472 | |
| 11473 | #define CHECK_PARSE_BOOL_FIELD(FIELD, CONFIG_NAME) \ |
| 11474 | Style.FIELD = false; \ |
| 11475 | EXPECT_EQ(0, parseConfiguration(CONFIG_NAME ": true", &Style).value()); \ |
| 11476 | EXPECT_TRUE(Style.FIELD); \ |
| 11477 | EXPECT_EQ(0, parseConfiguration(CONFIG_NAME ": false", &Style).value()); \ |
| 11478 | EXPECT_FALSE(Style.FIELD); |
| 11479 | |
| 11480 | #define CHECK_PARSE_BOOL(FIELD) CHECK_PARSE_BOOL_FIELD(FIELD, #FIELD) |
| 11481 | |
| 11482 | #define CHECK_PARSE_NESTED_BOOL_FIELD(STRUCT, FIELD, CONFIG_NAME) \ |
| 11483 | Style.STRUCT.FIELD = false; \ |
| 11484 | EXPECT_EQ(0, \ |
| 11485 | parseConfiguration(#STRUCT ":\n " CONFIG_NAME ": true", &Style) \ |
| 11486 | .value()); \ |
| 11487 | EXPECT_TRUE(Style.STRUCT.FIELD); \ |
| 11488 | EXPECT_EQ(0, \ |
| 11489 | parseConfiguration(#STRUCT ":\n " CONFIG_NAME ": false", &Style) \ |
| 11490 | .value()); \ |
| 11491 | EXPECT_FALSE(Style.STRUCT.FIELD); |
| 11492 | |
| 11493 | #define CHECK_PARSE_NESTED_BOOL(STRUCT, FIELD) \ |
| 11494 | CHECK_PARSE_NESTED_BOOL_FIELD(STRUCT, FIELD, #FIELD) |
| 11495 | |
| 11496 | #define CHECK_PARSE(TEXT, FIELD, VALUE) \ |
| 11497 | EXPECT_NE(VALUE, Style.FIELD); \ |
| 11498 | EXPECT_EQ(0, parseConfiguration(TEXT, &Style).value()); \ |
| 11499 | EXPECT_EQ(VALUE, Style.FIELD) |
| 11500 | |
| 11501 | TEST_F(FormatTest, ParsesConfigurationBools) { |
| 11502 | FormatStyle Style = {}; |
| 11503 | Style.Language = FormatStyle::LK_Cpp; |
| 11504 | CHECK_PARSE_BOOL(AlignOperands); |
| 11505 | CHECK_PARSE_BOOL(AlignTrailingComments); |
| 11506 | CHECK_PARSE_BOOL(AlignConsecutiveAssignments); |
| 11507 | CHECK_PARSE_BOOL(AlignConsecutiveDeclarations); |
| 11508 | CHECK_PARSE_BOOL(AllowAllArgumentsOnNextLine); |
| 11509 | CHECK_PARSE_BOOL(AllowAllConstructorInitializersOnNextLine); |
| 11510 | CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine); |
| 11511 | CHECK_PARSE_BOOL(AllowShortBlocksOnASingleLine); |
| 11512 | CHECK_PARSE_BOOL(AllowShortCaseLabelsOnASingleLine); |
| 11513 | CHECK_PARSE_BOOL(AllowShortLoopsOnASingleLine); |
| 11514 | CHECK_PARSE_BOOL(BinPackArguments); |
| 11515 | CHECK_PARSE_BOOL(BinPackParameters); |
| 11516 | CHECK_PARSE_BOOL(BreakAfterJavaFieldAnnotations); |
| 11517 | CHECK_PARSE_BOOL(BreakBeforeTernaryOperators); |
| 11518 | CHECK_PARSE_BOOL(BreakStringLiterals); |
| 11519 | CHECK_PARSE_BOOL(CompactNamespaces); |
| 11520 | CHECK_PARSE_BOOL(ConstructorInitializerAllOnOneLineOrOnePerLine); |
| 11521 | CHECK_PARSE_BOOL(DerivePointerAlignment); |
| 11522 | CHECK_PARSE_BOOL_FIELD(DerivePointerAlignment, "DerivePointerBinding" ); |
| 11523 | CHECK_PARSE_BOOL(DisableFormat); |
| 11524 | CHECK_PARSE_BOOL(IndentCaseLabels); |
| 11525 | CHECK_PARSE_BOOL(IndentWrappedFunctionNames); |
| 11526 | CHECK_PARSE_BOOL(KeepEmptyLinesAtTheStartOfBlocks); |
| 11527 | CHECK_PARSE_BOOL(ObjCSpaceAfterProperty); |
| 11528 | CHECK_PARSE_BOOL(ObjCSpaceBeforeProtocolList); |
| 11529 | CHECK_PARSE_BOOL(Cpp11BracedListStyle); |
| 11530 | CHECK_PARSE_BOOL(ReflowComments); |
| 11531 | CHECK_PARSE_BOOL(SortIncludes); |
| 11532 | CHECK_PARSE_BOOL(SortUsingDeclarations); |
| 11533 | CHECK_PARSE_BOOL(SpacesInParentheses); |
| 11534 | CHECK_PARSE_BOOL(SpacesInSquareBrackets); |
| 11535 | CHECK_PARSE_BOOL(SpacesInAngles); |
| 11536 | CHECK_PARSE_BOOL(SpaceInEmptyParentheses); |
| 11537 | CHECK_PARSE_BOOL(SpacesInContainerLiterals); |
| 11538 | CHECK_PARSE_BOOL(SpacesInCStyleCastParentheses); |
| 11539 | CHECK_PARSE_BOOL(SpaceAfterCStyleCast); |
| 11540 | CHECK_PARSE_BOOL(SpaceAfterTemplateKeyword); |
| 11541 | CHECK_PARSE_BOOL(SpaceAfterLogicalNot); |
| 11542 | CHECK_PARSE_BOOL(SpaceBeforeAssignmentOperators); |
| 11543 | CHECK_PARSE_BOOL(SpaceBeforeCpp11BracedList); |
| 11544 | CHECK_PARSE_BOOL(SpaceBeforeCtorInitializerColon); |
| 11545 | CHECK_PARSE_BOOL(SpaceBeforeInheritanceColon); |
| 11546 | CHECK_PARSE_BOOL(SpaceBeforeRangeBasedForLoopColon); |
| 11547 | |
| 11548 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterCaseLabel); |
| 11549 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterClass); |
| 11550 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterControlStatement); |
| 11551 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterEnum); |
| 11552 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterFunction); |
| 11553 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterNamespace); |
| 11554 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterObjCDeclaration); |
| 11555 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterStruct); |
| 11556 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterUnion); |
| 11557 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterExternBlock); |
| 11558 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeCatch); |
| 11559 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeElse); |
| 11560 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, IndentBraces); |
| 11561 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyFunction); |
| 11562 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyRecord); |
| 11563 | CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyNamespace); |
| 11564 | } |
| 11565 | |
| 11566 | #undef CHECK_PARSE_BOOL |
| 11567 | |
| 11568 | TEST_F(FormatTest, ParsesConfiguration) { |
| 11569 | FormatStyle Style = {}; |
| 11570 | Style.Language = FormatStyle::LK_Cpp; |
| 11571 | CHECK_PARSE("AccessModifierOffset: -1234" , AccessModifierOffset, -1234); |
| 11572 | CHECK_PARSE("ConstructorInitializerIndentWidth: 1234" , |
| 11573 | ConstructorInitializerIndentWidth, 1234u); |
| 11574 | CHECK_PARSE("ObjCBlockIndentWidth: 1234" , ObjCBlockIndentWidth, 1234u); |
| 11575 | CHECK_PARSE("ColumnLimit: 1234" , ColumnLimit, 1234u); |
| 11576 | CHECK_PARSE("MaxEmptyLinesToKeep: 1234" , MaxEmptyLinesToKeep, 1234u); |
| 11577 | CHECK_PARSE("PenaltyBreakAssignment: 1234" , |
| 11578 | PenaltyBreakAssignment, 1234u); |
| 11579 | CHECK_PARSE("PenaltyBreakBeforeFirstCallParameter: 1234" , |
| 11580 | PenaltyBreakBeforeFirstCallParameter, 1234u); |
| 11581 | CHECK_PARSE("PenaltyBreakTemplateDeclaration: 1234" , |
| 11582 | PenaltyBreakTemplateDeclaration, 1234u); |
| 11583 | CHECK_PARSE("PenaltyExcessCharacter: 1234" , PenaltyExcessCharacter, 1234u); |
| 11584 | CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234" , |
| 11585 | PenaltyReturnTypeOnItsOwnLine, 1234u); |
| 11586 | CHECK_PARSE("SpacesBeforeTrailingComments: 1234" , |
| 11587 | SpacesBeforeTrailingComments, 1234u); |
| 11588 | CHECK_PARSE("IndentWidth: 32" , IndentWidth, 32u); |
| 11589 | CHECK_PARSE("ContinuationIndentWidth: 11" , ContinuationIndentWidth, 11u); |
| 11590 | CHECK_PARSE("CommentPragmas: '// abc$'" , CommentPragmas, "// abc$" ); |
| 11591 | |
| 11592 | Style.PointerAlignment = FormatStyle::PAS_Middle; |
| 11593 | CHECK_PARSE("PointerAlignment: Left" , PointerAlignment, |
| 11594 | FormatStyle::PAS_Left); |
| 11595 | CHECK_PARSE("PointerAlignment: Right" , PointerAlignment, |
| 11596 | FormatStyle::PAS_Right); |
| 11597 | CHECK_PARSE("PointerAlignment: Middle" , PointerAlignment, |
| 11598 | FormatStyle::PAS_Middle); |
| 11599 | // For backward compatibility: |
| 11600 | CHECK_PARSE("PointerBindsToType: Left" , PointerAlignment, |
| 11601 | FormatStyle::PAS_Left); |
| 11602 | CHECK_PARSE("PointerBindsToType: Right" , PointerAlignment, |
| 11603 | FormatStyle::PAS_Right); |
| 11604 | CHECK_PARSE("PointerBindsToType: Middle" , PointerAlignment, |
| 11605 | FormatStyle::PAS_Middle); |
| 11606 | |
| 11607 | Style.Standard = FormatStyle::LS_Auto; |
| 11608 | CHECK_PARSE("Standard: Cpp03" , Standard, FormatStyle::LS_Cpp03); |
| 11609 | CHECK_PARSE("Standard: Cpp11" , Standard, FormatStyle::LS_Cpp11); |
| 11610 | CHECK_PARSE("Standard: C++03" , Standard, FormatStyle::LS_Cpp03); |
| 11611 | CHECK_PARSE("Standard: C++11" , Standard, FormatStyle::LS_Cpp11); |
| 11612 | CHECK_PARSE("Standard: Auto" , Standard, FormatStyle::LS_Auto); |
| 11613 | |
| 11614 | Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All; |
| 11615 | CHECK_PARSE("BreakBeforeBinaryOperators: NonAssignment" , |
| 11616 | BreakBeforeBinaryOperators, FormatStyle::BOS_NonAssignment); |
| 11617 | CHECK_PARSE("BreakBeforeBinaryOperators: None" , BreakBeforeBinaryOperators, |
| 11618 | FormatStyle::BOS_None); |
| 11619 | CHECK_PARSE("BreakBeforeBinaryOperators: All" , BreakBeforeBinaryOperators, |
| 11620 | FormatStyle::BOS_All); |
| 11621 | // For backward compatibility: |
| 11622 | CHECK_PARSE("BreakBeforeBinaryOperators: false" , BreakBeforeBinaryOperators, |
| 11623 | FormatStyle::BOS_None); |
| 11624 | CHECK_PARSE("BreakBeforeBinaryOperators: true" , BreakBeforeBinaryOperators, |
| 11625 | FormatStyle::BOS_All); |
| 11626 | |
| 11627 | Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon; |
| 11628 | CHECK_PARSE("BreakConstructorInitializers: BeforeComma" , |
| 11629 | BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma); |
| 11630 | CHECK_PARSE("BreakConstructorInitializers: AfterColon" , |
| 11631 | BreakConstructorInitializers, FormatStyle::BCIS_AfterColon); |
| 11632 | CHECK_PARSE("BreakConstructorInitializers: BeforeColon" , |
| 11633 | BreakConstructorInitializers, FormatStyle::BCIS_BeforeColon); |
| 11634 | // For backward compatibility: |
| 11635 | CHECK_PARSE("BreakConstructorInitializersBeforeComma: true" , |
| 11636 | BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma); |
| 11637 | |
| 11638 | Style.BreakInheritanceList = FormatStyle::BILS_BeforeColon; |
| 11639 | CHECK_PARSE("BreakInheritanceList: BeforeComma" , |
| 11640 | BreakInheritanceList, FormatStyle::BILS_BeforeComma); |
| 11641 | CHECK_PARSE("BreakInheritanceList: AfterColon" , |
| 11642 | BreakInheritanceList, FormatStyle::BILS_AfterColon); |
| 11643 | CHECK_PARSE("BreakInheritanceList: BeforeColon" , |
| 11644 | BreakInheritanceList, FormatStyle::BILS_BeforeColon); |
| 11645 | // For backward compatibility: |
| 11646 | CHECK_PARSE("BreakBeforeInheritanceComma: true" , |
| 11647 | BreakInheritanceList, FormatStyle::BILS_BeforeComma); |
| 11648 | |
| 11649 | Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak; |
| 11650 | CHECK_PARSE("AlignAfterOpenBracket: Align" , AlignAfterOpenBracket, |
| 11651 | FormatStyle::BAS_Align); |
| 11652 | CHECK_PARSE("AlignAfterOpenBracket: DontAlign" , AlignAfterOpenBracket, |
| 11653 | FormatStyle::BAS_DontAlign); |
| 11654 | CHECK_PARSE("AlignAfterOpenBracket: AlwaysBreak" , AlignAfterOpenBracket, |
| 11655 | FormatStyle::BAS_AlwaysBreak); |
| 11656 | // For backward compatibility: |
| 11657 | CHECK_PARSE("AlignAfterOpenBracket: false" , AlignAfterOpenBracket, |
| 11658 | FormatStyle::BAS_DontAlign); |
| 11659 | CHECK_PARSE("AlignAfterOpenBracket: true" , AlignAfterOpenBracket, |
| 11660 | FormatStyle::BAS_Align); |
| 11661 | |
| 11662 | Style.AlignEscapedNewlines = FormatStyle::ENAS_Left; |
| 11663 | CHECK_PARSE("AlignEscapedNewlines: DontAlign" , AlignEscapedNewlines, |
| 11664 | FormatStyle::ENAS_DontAlign); |
| 11665 | CHECK_PARSE("AlignEscapedNewlines: Left" , AlignEscapedNewlines, |
| 11666 | FormatStyle::ENAS_Left); |
| 11667 | CHECK_PARSE("AlignEscapedNewlines: Right" , AlignEscapedNewlines, |
| 11668 | FormatStyle::ENAS_Right); |
| 11669 | // For backward compatibility: |
| 11670 | CHECK_PARSE("AlignEscapedNewlinesLeft: true" , AlignEscapedNewlines, |
| 11671 | FormatStyle::ENAS_Left); |
| 11672 | CHECK_PARSE("AlignEscapedNewlinesLeft: false" , AlignEscapedNewlines, |
| 11673 | FormatStyle::ENAS_Right); |
| 11674 | |
| 11675 | Style.UseTab = FormatStyle::UT_ForIndentation; |
| 11676 | CHECK_PARSE("UseTab: Never" , UseTab, FormatStyle::UT_Never); |
| 11677 | CHECK_PARSE("UseTab: ForIndentation" , UseTab, FormatStyle::UT_ForIndentation); |
| 11678 | CHECK_PARSE("UseTab: Always" , UseTab, FormatStyle::UT_Always); |
| 11679 | CHECK_PARSE("UseTab: ForContinuationAndIndentation" , UseTab, |
| 11680 | FormatStyle::UT_ForContinuationAndIndentation); |
| 11681 | // For backward compatibility: |
| 11682 | CHECK_PARSE("UseTab: false" , UseTab, FormatStyle::UT_Never); |
| 11683 | CHECK_PARSE("UseTab: true" , UseTab, FormatStyle::UT_Always); |
| 11684 | |
| 11685 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline; |
| 11686 | CHECK_PARSE("AllowShortFunctionsOnASingleLine: None" , |
| 11687 | AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None); |
| 11688 | CHECK_PARSE("AllowShortFunctionsOnASingleLine: Inline" , |
| 11689 | AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Inline); |
| 11690 | CHECK_PARSE("AllowShortFunctionsOnASingleLine: Empty" , |
| 11691 | AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Empty); |
| 11692 | CHECK_PARSE("AllowShortFunctionsOnASingleLine: All" , |
| 11693 | AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All); |
| 11694 | // For backward compatibility: |
| 11695 | CHECK_PARSE("AllowShortFunctionsOnASingleLine: false" , |
| 11696 | AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None); |
| 11697 | CHECK_PARSE("AllowShortFunctionsOnASingleLine: true" , |
| 11698 | AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All); |
| 11699 | |
| 11700 | Style.SpaceBeforeParens = FormatStyle::SBPO_Always; |
| 11701 | CHECK_PARSE("SpaceBeforeParens: Never" , SpaceBeforeParens, |
| 11702 | FormatStyle::SBPO_Never); |
| 11703 | CHECK_PARSE("SpaceBeforeParens: Always" , SpaceBeforeParens, |
| 11704 | FormatStyle::SBPO_Always); |
| 11705 | CHECK_PARSE("SpaceBeforeParens: ControlStatements" , SpaceBeforeParens, |
| 11706 | FormatStyle::SBPO_ControlStatements); |
| 11707 | CHECK_PARSE("SpaceBeforeParens: NonEmptyParentheses" , SpaceBeforeParens, |
| 11708 | FormatStyle::SBPO_NonEmptyParentheses); |
| 11709 | // For backward compatibility: |
| 11710 | CHECK_PARSE("SpaceAfterControlStatementKeyword: false" , SpaceBeforeParens, |
| 11711 | FormatStyle::SBPO_Never); |
| 11712 | CHECK_PARSE("SpaceAfterControlStatementKeyword: true" , SpaceBeforeParens, |
| 11713 | FormatStyle::SBPO_ControlStatements); |
| 11714 | |
| 11715 | Style.ColumnLimit = 123; |
| 11716 | FormatStyle BaseStyle = getLLVMStyle(); |
| 11717 | CHECK_PARSE("BasedOnStyle: LLVM" , ColumnLimit, BaseStyle.ColumnLimit); |
| 11718 | CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234" , ColumnLimit, 1234u); |
| 11719 | |
| 11720 | Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup; |
| 11721 | CHECK_PARSE("BreakBeforeBraces: Attach" , BreakBeforeBraces, |
| 11722 | FormatStyle::BS_Attach); |
| 11723 | CHECK_PARSE("BreakBeforeBraces: Linux" , BreakBeforeBraces, |
| 11724 | FormatStyle::BS_Linux); |
| 11725 | CHECK_PARSE("BreakBeforeBraces: Mozilla" , BreakBeforeBraces, |
| 11726 | FormatStyle::BS_Mozilla); |
| 11727 | CHECK_PARSE("BreakBeforeBraces: Stroustrup" , BreakBeforeBraces, |
| 11728 | FormatStyle::BS_Stroustrup); |
| 11729 | CHECK_PARSE("BreakBeforeBraces: Allman" , BreakBeforeBraces, |
| 11730 | FormatStyle::BS_Allman); |
| 11731 | CHECK_PARSE("BreakBeforeBraces: GNU" , BreakBeforeBraces, FormatStyle::BS_GNU); |
| 11732 | CHECK_PARSE("BreakBeforeBraces: WebKit" , BreakBeforeBraces, |
| 11733 | FormatStyle::BS_WebKit); |
| 11734 | CHECK_PARSE("BreakBeforeBraces: Custom" , BreakBeforeBraces, |
| 11735 | FormatStyle::BS_Custom); |
| 11736 | |
| 11737 | Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_All; |
| 11738 | CHECK_PARSE("AlwaysBreakAfterReturnType: None" , AlwaysBreakAfterReturnType, |
| 11739 | FormatStyle::RTBS_None); |
| 11740 | CHECK_PARSE("AlwaysBreakAfterReturnType: All" , AlwaysBreakAfterReturnType, |
| 11741 | FormatStyle::RTBS_All); |
| 11742 | CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel" , |
| 11743 | AlwaysBreakAfterReturnType, FormatStyle::RTBS_TopLevel); |
| 11744 | CHECK_PARSE("AlwaysBreakAfterReturnType: AllDefinitions" , |
| 11745 | AlwaysBreakAfterReturnType, FormatStyle::RTBS_AllDefinitions); |
| 11746 | CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevelDefinitions" , |
| 11747 | AlwaysBreakAfterReturnType, |
| 11748 | FormatStyle::RTBS_TopLevelDefinitions); |
| 11749 | |
| 11750 | Style.AlwaysBreakTemplateDeclarations = FormatStyle::BTDS_Yes; |
| 11751 | CHECK_PARSE("AlwaysBreakTemplateDeclarations: No" , AlwaysBreakTemplateDeclarations, |
| 11752 | FormatStyle::BTDS_No); |
| 11753 | CHECK_PARSE("AlwaysBreakTemplateDeclarations: MultiLine" , AlwaysBreakTemplateDeclarations, |
| 11754 | FormatStyle::BTDS_MultiLine); |
| 11755 | CHECK_PARSE("AlwaysBreakTemplateDeclarations: Yes" , AlwaysBreakTemplateDeclarations, |
| 11756 | FormatStyle::BTDS_Yes); |
| 11757 | CHECK_PARSE("AlwaysBreakTemplateDeclarations: false" , AlwaysBreakTemplateDeclarations, |
| 11758 | FormatStyle::BTDS_MultiLine); |
| 11759 | CHECK_PARSE("AlwaysBreakTemplateDeclarations: true" , AlwaysBreakTemplateDeclarations, |
| 11760 | FormatStyle::BTDS_Yes); |
| 11761 | |
| 11762 | Style.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_All; |
| 11763 | CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: None" , |
| 11764 | AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_None); |
| 11765 | CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: All" , |
| 11766 | AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_All); |
| 11767 | CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: TopLevel" , |
| 11768 | AlwaysBreakAfterDefinitionReturnType, |
| 11769 | FormatStyle::DRTBS_TopLevel); |
| 11770 | |
| 11771 | Style.NamespaceIndentation = FormatStyle::NI_All; |
| 11772 | CHECK_PARSE("NamespaceIndentation: None" , NamespaceIndentation, |
| 11773 | FormatStyle::NI_None); |
| 11774 | CHECK_PARSE("NamespaceIndentation: Inner" , NamespaceIndentation, |
| 11775 | FormatStyle::NI_Inner); |
| 11776 | CHECK_PARSE("NamespaceIndentation: All" , NamespaceIndentation, |
| 11777 | FormatStyle::NI_All); |
| 11778 | |
| 11779 | Style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_Always; |
| 11780 | CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Never" , |
| 11781 | AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never); |
| 11782 | CHECK_PARSE("AllowShortIfStatementsOnASingleLine: WithoutElse" , |
| 11783 | AllowShortIfStatementsOnASingleLine, |
| 11784 | FormatStyle::SIS_WithoutElse); |
| 11785 | CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Always" , |
| 11786 | AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Always); |
| 11787 | CHECK_PARSE("AllowShortIfStatementsOnASingleLine: false" , |
| 11788 | AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never); |
| 11789 | CHECK_PARSE("AllowShortIfStatementsOnASingleLine: true" , |
| 11790 | AllowShortIfStatementsOnASingleLine, |
| 11791 | FormatStyle::SIS_WithoutElse); |
| 11792 | |
| 11793 | // FIXME: This is required because parsing a configuration simply overwrites |
| 11794 | // the first N elements of the list instead of resetting it. |
| 11795 | Style.ForEachMacros.clear(); |
| 11796 | std::vector<std::string> BoostForeach; |
| 11797 | BoostForeach.push_back("BOOST_FOREACH" ); |
| 11798 | CHECK_PARSE("ForEachMacros: [BOOST_FOREACH]" , ForEachMacros, BoostForeach); |
| 11799 | std::vector<std::string> BoostAndQForeach; |
| 11800 | BoostAndQForeach.push_back("BOOST_FOREACH" ); |
| 11801 | BoostAndQForeach.push_back("Q_FOREACH" ); |
| 11802 | CHECK_PARSE("ForEachMacros: [BOOST_FOREACH, Q_FOREACH]" , ForEachMacros, |
| 11803 | BoostAndQForeach); |
| 11804 | |
| 11805 | Style.StatementMacros.clear(); |
| 11806 | CHECK_PARSE("StatementMacros: [QUNUSED]" , StatementMacros, |
| 11807 | std::vector<std::string>{"QUNUSED" }); |
| 11808 | CHECK_PARSE("StatementMacros: [QUNUSED, QT_REQUIRE_VERSION]" , StatementMacros, |
| 11809 | std::vector<std::string>({"QUNUSED" , "QT_REQUIRE_VERSION" })); |
| 11810 | |
| 11811 | Style.NamespaceMacros.clear(); |
| 11812 | CHECK_PARSE("NamespaceMacros: [TESTSUITE]" , NamespaceMacros, |
| 11813 | std::vector<std::string>{"TESTSUITE" }); |
| 11814 | CHECK_PARSE("NamespaceMacros: [TESTSUITE, SUITE]" , NamespaceMacros, |
| 11815 | std::vector<std::string>({"TESTSUITE" , "SUITE" })); |
| 11816 | |
| 11817 | Style.IncludeStyle.IncludeCategories.clear(); |
| 11818 | std::vector<tooling::IncludeStyle::IncludeCategory> ExpectedCategories = { |
| 11819 | {"abc/.*" , 2}, {".*" , 1}}; |
| 11820 | CHECK_PARSE("IncludeCategories:\n" |
| 11821 | " - Regex: abc/.*\n" |
| 11822 | " Priority: 2\n" |
| 11823 | " - Regex: .*\n" |
| 11824 | " Priority: 1" , |
| 11825 | IncludeStyle.IncludeCategories, ExpectedCategories); |
| 11826 | CHECK_PARSE("IncludeIsMainRegex: 'abc$'" , IncludeStyle.IncludeIsMainRegex, |
| 11827 | "abc$" ); |
| 11828 | |
| 11829 | Style.RawStringFormats.clear(); |
| 11830 | std::vector<FormatStyle::RawStringFormat> ExpectedRawStringFormats = { |
| 11831 | { |
| 11832 | FormatStyle::LK_TextProto, |
| 11833 | {"pb" , "proto" }, |
| 11834 | {"PARSE_TEXT_PROTO" }, |
| 11835 | /*CanonicalDelimiter=*/"" , |
| 11836 | "llvm" , |
| 11837 | }, |
| 11838 | { |
| 11839 | FormatStyle::LK_Cpp, |
| 11840 | {"cc" , "cpp" }, |
| 11841 | {"C_CODEBLOCK" , "CPPEVAL" }, |
| 11842 | /*CanonicalDelimiter=*/"cc" , |
| 11843 | /*BasedOnStyle=*/"" , |
| 11844 | }, |
| 11845 | }; |
| 11846 | |
| 11847 | CHECK_PARSE("RawStringFormats:\n" |
| 11848 | " - Language: TextProto\n" |
| 11849 | " Delimiters:\n" |
| 11850 | " - 'pb'\n" |
| 11851 | " - 'proto'\n" |
| 11852 | " EnclosingFunctions:\n" |
| 11853 | " - 'PARSE_TEXT_PROTO'\n" |
| 11854 | " BasedOnStyle: llvm\n" |
| 11855 | " - Language: Cpp\n" |
| 11856 | " Delimiters:\n" |
| 11857 | " - 'cc'\n" |
| 11858 | " - 'cpp'\n" |
| 11859 | " EnclosingFunctions:\n" |
| 11860 | " - 'C_CODEBLOCK'\n" |
| 11861 | " - 'CPPEVAL'\n" |
| 11862 | " CanonicalDelimiter: 'cc'" , |
| 11863 | RawStringFormats, ExpectedRawStringFormats); |
| 11864 | } |
| 11865 | |
| 11866 | TEST_F(FormatTest, ParsesConfigurationWithLanguages) { |
| 11867 | FormatStyle Style = {}; |
| 11868 | Style.Language = FormatStyle::LK_Cpp; |
| 11869 | CHECK_PARSE("Language: Cpp\n" |
| 11870 | "IndentWidth: 12" , |
| 11871 | IndentWidth, 12u); |
| 11872 | EXPECT_EQ(parseConfiguration("Language: JavaScript\n" |
| 11873 | "IndentWidth: 34" , |
| 11874 | &Style), |
| 11875 | ParseError::Unsuitable); |
| 11876 | EXPECT_EQ(12u, Style.IndentWidth); |
| 11877 | CHECK_PARSE("IndentWidth: 56" , IndentWidth, 56u); |
| 11878 | EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language); |
| 11879 | |
| 11880 | Style.Language = FormatStyle::LK_JavaScript; |
| 11881 | CHECK_PARSE("Language: JavaScript\n" |
| 11882 | "IndentWidth: 12" , |
| 11883 | IndentWidth, 12u); |
| 11884 | CHECK_PARSE("IndentWidth: 23" , IndentWidth, 23u); |
| 11885 | EXPECT_EQ(parseConfiguration("Language: Cpp\n" |
| 11886 | "IndentWidth: 34" , |
| 11887 | &Style), |
| 11888 | ParseError::Unsuitable); |
| 11889 | EXPECT_EQ(23u, Style.IndentWidth); |
| 11890 | CHECK_PARSE("IndentWidth: 56" , IndentWidth, 56u); |
| 11891 | EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language); |
| 11892 | |
| 11893 | CHECK_PARSE("BasedOnStyle: LLVM\n" |
| 11894 | "IndentWidth: 67" , |
| 11895 | IndentWidth, 67u); |
| 11896 | |
| 11897 | CHECK_PARSE("---\n" |
| 11898 | "Language: JavaScript\n" |
| 11899 | "IndentWidth: 12\n" |
| 11900 | "---\n" |
| 11901 | "Language: Cpp\n" |
| 11902 | "IndentWidth: 34\n" |
| 11903 | "...\n" , |
| 11904 | IndentWidth, 12u); |
| 11905 | |
| 11906 | Style.Language = FormatStyle::LK_Cpp; |
| 11907 | CHECK_PARSE("---\n" |
| 11908 | "Language: JavaScript\n" |
| 11909 | "IndentWidth: 12\n" |
| 11910 | "---\n" |
| 11911 | "Language: Cpp\n" |
| 11912 | "IndentWidth: 34\n" |
| 11913 | "...\n" , |
| 11914 | IndentWidth, 34u); |
| 11915 | CHECK_PARSE("---\n" |
| 11916 | "IndentWidth: 78\n" |
| 11917 | "---\n" |
| 11918 | "Language: JavaScript\n" |
| 11919 | "IndentWidth: 56\n" |
| 11920 | "...\n" , |
| 11921 | IndentWidth, 78u); |
| 11922 | |
| 11923 | Style.ColumnLimit = 123; |
| 11924 | Style.IndentWidth = 234; |
| 11925 | Style.BreakBeforeBraces = FormatStyle::BS_Linux; |
| 11926 | Style.TabWidth = 345; |
| 11927 | EXPECT_FALSE(parseConfiguration("---\n" |
| 11928 | "IndentWidth: 456\n" |
| 11929 | "BreakBeforeBraces: Allman\n" |
| 11930 | "---\n" |
| 11931 | "Language: JavaScript\n" |
| 11932 | "IndentWidth: 111\n" |
| 11933 | "TabWidth: 111\n" |
| 11934 | "---\n" |
| 11935 | "Language: Cpp\n" |
| 11936 | "BreakBeforeBraces: Stroustrup\n" |
| 11937 | "TabWidth: 789\n" |
| 11938 | "...\n" , |
| 11939 | &Style)); |
| 11940 | EXPECT_EQ(123u, Style.ColumnLimit); |
| 11941 | EXPECT_EQ(456u, Style.IndentWidth); |
| 11942 | EXPECT_EQ(FormatStyle::BS_Stroustrup, Style.BreakBeforeBraces); |
| 11943 | EXPECT_EQ(789u, Style.TabWidth); |
| 11944 | |
| 11945 | EXPECT_EQ(parseConfiguration("---\n" |
| 11946 | "Language: JavaScript\n" |
| 11947 | "IndentWidth: 56\n" |
| 11948 | "---\n" |
| 11949 | "IndentWidth: 78\n" |
| 11950 | "...\n" , |
| 11951 | &Style), |
| 11952 | ParseError::Error); |
| 11953 | EXPECT_EQ(parseConfiguration("---\n" |
| 11954 | "Language: JavaScript\n" |
| 11955 | "IndentWidth: 56\n" |
| 11956 | "---\n" |
| 11957 | "Language: JavaScript\n" |
| 11958 | "IndentWidth: 78\n" |
| 11959 | "...\n" , |
| 11960 | &Style), |
| 11961 | ParseError::Error); |
| 11962 | |
| 11963 | EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language); |
| 11964 | } |
| 11965 | |
| 11966 | #undef CHECK_PARSE |
| 11967 | |
| 11968 | TEST_F(FormatTest, UsesLanguageForBasedOnStyle) { |
| 11969 | FormatStyle Style = {}; |
| 11970 | Style.Language = FormatStyle::LK_JavaScript; |
| 11971 | Style.BreakBeforeTernaryOperators = true; |
| 11972 | EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google" , &Style).value()); |
| 11973 | EXPECT_FALSE(Style.BreakBeforeTernaryOperators); |
| 11974 | |
| 11975 | Style.BreakBeforeTernaryOperators = true; |
| 11976 | EXPECT_EQ(0, parseConfiguration("---\n" |
| 11977 | "BasedOnStyle: Google\n" |
| 11978 | "---\n" |
| 11979 | "Language: JavaScript\n" |
| 11980 | "IndentWidth: 76\n" |
| 11981 | "...\n" , |
| 11982 | &Style) |
| 11983 | .value()); |
| 11984 | EXPECT_FALSE(Style.BreakBeforeTernaryOperators); |
| 11985 | EXPECT_EQ(76u, Style.IndentWidth); |
| 11986 | EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language); |
| 11987 | } |
| 11988 | |
| 11989 | TEST_F(FormatTest, ConfigurationRoundTripTest) { |
| 11990 | FormatStyle Style = getLLVMStyle(); |
| 11991 | std::string YAML = configurationAsText(Style); |
| 11992 | FormatStyle ParsedStyle = {}; |
| 11993 | ParsedStyle.Language = FormatStyle::LK_Cpp; |
| 11994 | EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value()); |
| 11995 | EXPECT_EQ(Style, ParsedStyle); |
| 11996 | } |
| 11997 | |
| 11998 | TEST_F(FormatTest, WorksFor8bitEncodings) { |
| 11999 | EXPECT_EQ("\"\xce\xe4\xed\xe0\xe6\xe4\xfb \xe2 \"\n" |
| 12000 | "\"\xf1\xf2\xf3\xe4\xb8\xed\xf3\xfe \"\n" |
| 12001 | "\"\xe7\xe8\xec\xed\xfe\xfe \"\n" |
| 12002 | "\"\xef\xee\xf0\xf3...\"" , |
| 12003 | format("\"\xce\xe4\xed\xe0\xe6\xe4\xfb \xe2 " |
| 12004 | "\xf1\xf2\xf3\xe4\xb8\xed\xf3\xfe \xe7\xe8\xec\xed\xfe\xfe " |
| 12005 | "\xef\xee\xf0\xf3...\"" , |
| 12006 | getLLVMStyleWithColumns(12))); |
| 12007 | } |
| 12008 | |
| 12009 | TEST_F(FormatTest, HandlesUTF8BOM) { |
| 12010 | EXPECT_EQ("\xef\xbb\xbf" , format("\xef\xbb\xbf" )); |
| 12011 | EXPECT_EQ("\xef\xbb\xbf#include <iostream>" , |
| 12012 | format("\xef\xbb\xbf#include <iostream>" )); |
| 12013 | EXPECT_EQ("\xef\xbb\xbf\n#include <iostream>" , |
| 12014 | format("\xef\xbb\xbf\n#include <iostream>" )); |
| 12015 | } |
| 12016 | |
| 12017 | // FIXME: Encode Cyrillic and CJK characters below to appease MS compilers. |
| 12018 | #if !defined(_MSC_VER) |
| 12019 | |
| 12020 | TEST_F(FormatTest, CountsUTF8CharactersProperly) { |
| 12021 | verifyFormat("\"Однажды в студёную зимнюю пору...\"" , |
| 12022 | getLLVMStyleWithColumns(35)); |
| 12023 | verifyFormat("\"一 二 三 四 五 六 七 八 九 十\"" , |
| 12024 | getLLVMStyleWithColumns(31)); |
| 12025 | verifyFormat("// Однажды в студёную зимнюю пору..." , |
| 12026 | getLLVMStyleWithColumns(36)); |
| 12027 | verifyFormat("// 一 二 三 四 五 六 七 八 九 十" , getLLVMStyleWithColumns(32)); |
| 12028 | verifyFormat("/* Однажды в студёную зимнюю пору... */" , |
| 12029 | getLLVMStyleWithColumns(39)); |
| 12030 | verifyFormat("/* 一 二 三 四 五 六 七 八 九 十 */" , |
| 12031 | getLLVMStyleWithColumns(35)); |
| 12032 | } |
| 12033 | |
| 12034 | TEST_F(FormatTest, SplitsUTF8Strings) { |
| 12035 | // Non-printable characters' width is currently considered to be the length in |
| 12036 | // bytes in UTF8. The characters can be displayed in very different manner |
| 12037 | // (zero-width, single width with a substitution glyph, expanded to their code |
| 12038 | // (e.g. "<8d>"), so there's no single correct way to handle them. |
| 12039 | EXPECT_EQ("\"aaaaÄ\"\n" |
| 12040 | "\"\xc2\x8d\";" , |
| 12041 | format("\"aaaaÄ\xc2\x8d\";" , getLLVMStyleWithColumns(10))); |
| 12042 | EXPECT_EQ("\"aaaaaaaÄ\"\n" |
| 12043 | "\"\xc2\x8d\";" , |
| 12044 | format("\"aaaaaaaÄ\xc2\x8d\";" , getLLVMStyleWithColumns(10))); |
| 12045 | EXPECT_EQ("\"Однажды, в \"\n" |
| 12046 | "\"студёную \"\n" |
| 12047 | "\"зимнюю \"\n" |
| 12048 | "\"пору,\"" , |
| 12049 | format("\"Однажды, в студёную зимнюю пору,\"" , |
| 12050 | getLLVMStyleWithColumns(13))); |
| 12051 | EXPECT_EQ( |
| 12052 | "\"一 二 三 \"\n" |
| 12053 | "\"四 五六 \"\n" |
| 12054 | "\"七 八 九 \"\n" |
| 12055 | "\"十\"" , |
| 12056 | format("\"一 二 三 四 五六 七 八 九 十\"" , getLLVMStyleWithColumns(11))); |
| 12057 | EXPECT_EQ("\"一\t\"\n" |
| 12058 | "\"二 \t\"\n" |
| 12059 | "\"三 四 \"\n" |
| 12060 | "\"五\t\"\n" |
| 12061 | "\"六 \t\"\n" |
| 12062 | "\"七 \"\n" |
| 12063 | "\"八九十\tqq\"" , |
| 12064 | format("\"一\t二 \t三 四 五\t六 \t七 八九十\tqq\"" , |
| 12065 | getLLVMStyleWithColumns(11))); |
| 12066 | |
| 12067 | // UTF8 character in an escape sequence. |
| 12068 | EXPECT_EQ("\"aaaaaa\"\n" |
| 12069 | "\"\\\xC2\x8D\"" , |
| 12070 | format("\"aaaaaa\\\xC2\x8D\"" , getLLVMStyleWithColumns(10))); |
| 12071 | } |
| 12072 | |
| 12073 | TEST_F(FormatTest, HandlesDoubleWidthCharsInMultiLineStrings) { |
| 12074 | EXPECT_EQ("const char *sssss =\n" |
| 12075 | " \"一二三四五六七八\\\n" |
| 12076 | " 九 十\";" , |
| 12077 | format("const char *sssss = \"一二三四五六七八\\\n" |
| 12078 | " 九 十\";" , |
| 12079 | getLLVMStyleWithColumns(30))); |
| 12080 | } |
| 12081 | |
| 12082 | TEST_F(FormatTest, SplitsUTF8LineComments) { |
| 12083 | EXPECT_EQ("// aaaaÄ\xc2\x8d" , |
| 12084 | format("// aaaaÄ\xc2\x8d" , getLLVMStyleWithColumns(10))); |
| 12085 | EXPECT_EQ("// Я из лесу\n" |
| 12086 | "// вышел; был\n" |
| 12087 | "// сильный\n" |
| 12088 | "// мороз." , |
| 12089 | format("// Я из лесу вышел; был сильный мороз." , |
| 12090 | getLLVMStyleWithColumns(13))); |
| 12091 | EXPECT_EQ("// 一二三\n" |
| 12092 | "// 四五六七\n" |
| 12093 | "// 八 九\n" |
| 12094 | "// 十" , |
| 12095 | format("// 一二三 四五六七 八 九 十" , getLLVMStyleWithColumns(9))); |
| 12096 | } |
| 12097 | |
| 12098 | TEST_F(FormatTest, SplitsUTF8BlockComments) { |
| 12099 | EXPECT_EQ("/* Гляжу,\n" |
| 12100 | " * поднимается\n" |
| 12101 | " * медленно в\n" |
| 12102 | " * гору\n" |
| 12103 | " * Лошадка,\n" |
| 12104 | " * везущая\n" |
| 12105 | " * хворосту\n" |
| 12106 | " * воз. */" , |
| 12107 | format("/* Гляжу, поднимается медленно в гору\n" |
| 12108 | " * Лошадка, везущая хворосту воз. */" , |
| 12109 | getLLVMStyleWithColumns(13))); |
| 12110 | EXPECT_EQ( |
| 12111 | "/* 一二三\n" |
| 12112 | " * 四五六七\n" |
| 12113 | " * 八 九\n" |
| 12114 | " * 十 */" , |
| 12115 | format("/* 一二三 四五六七 八 九 十 */" , getLLVMStyleWithColumns(9))); |
| 12116 | EXPECT_EQ("/* 𝓣𝓮𝓼𝓽 𝔣𝔬𝔲𝔯\n" |
| 12117 | " * 𝕓𝕪𝕥𝕖\n" |
| 12118 | " * 𝖀𝕿𝕱-𝟠 */" , |
| 12119 | format("/* 𝓣𝓮𝓼𝓽 𝔣𝔬𝔲𝔯 𝕓𝕪𝕥𝕖 𝖀𝕿𝕱-𝟠 */" , getLLVMStyleWithColumns(12))); |
| 12120 | } |
| 12121 | |
| 12122 | #endif // _MSC_VER |
| 12123 | |
| 12124 | TEST_F(FormatTest, ConstructorInitializerIndentWidth) { |
| 12125 | FormatStyle Style = getLLVMStyle(); |
| 12126 | |
| 12127 | Style.ConstructorInitializerIndentWidth = 4; |
| 12128 | verifyFormat( |
| 12129 | "SomeClass::Constructor()\n" |
| 12130 | " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 12131 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 12132 | Style); |
| 12133 | |
| 12134 | Style.ConstructorInitializerIndentWidth = 2; |
| 12135 | verifyFormat( |
| 12136 | "SomeClass::Constructor()\n" |
| 12137 | " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 12138 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 12139 | Style); |
| 12140 | |
| 12141 | Style.ConstructorInitializerIndentWidth = 0; |
| 12142 | verifyFormat( |
| 12143 | "SomeClass::Constructor()\n" |
| 12144 | ": aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| 12145 | " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}" , |
| 12146 | Style); |
| 12147 | Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak; |
| 12148 | verifyFormat( |
| 12149 | "SomeLongTemplateVariableName<\n" |
| 12150 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>" , |
| 12151 | Style); |
| 12152 | verifyFormat( |
| 12153 | "bool smaller = 1 < bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n" |
| 12154 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);" , |
| 12155 | Style); |
| 12156 | |
| 12157 | Style.BreakConstructorInitializers = FormatStyle::BCIS_AfterColon; |
| 12158 | verifyFormat( |
| 12159 | "SomeClass::Constructor() :\n" |
| 12160 | "aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa),\n" |
| 12161 | "aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa) {}" , |
| 12162 | Style); |
| 12163 | } |
| 12164 | |
| 12165 | TEST_F(FormatTest, BreakConstructorInitializersBeforeComma) { |
| 12166 | FormatStyle Style = getLLVMStyle(); |
| 12167 | Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeComma; |
| 12168 | Style.ConstructorInitializerIndentWidth = 4; |
| 12169 | verifyFormat("SomeClass::Constructor()\n" |
| 12170 | " : a(a)\n" |
| 12171 | " , b(b)\n" |
| 12172 | " , c(c) {}" , |
| 12173 | Style); |
| 12174 | verifyFormat("SomeClass::Constructor()\n" |
| 12175 | " : a(a) {}" , |
| 12176 | Style); |
| 12177 | |
| 12178 | Style.ColumnLimit = 0; |
| 12179 | verifyFormat("SomeClass::Constructor()\n" |
| 12180 | " : a(a) {}" , |
| 12181 | Style); |
| 12182 | verifyFormat("SomeClass::Constructor() noexcept\n" |
| 12183 | " : a(a) {}" , |
| 12184 | Style); |
| 12185 | verifyFormat("SomeClass::Constructor()\n" |
| 12186 | " : a(a)\n" |
| 12187 | " , b(b)\n" |
| 12188 | " , c(c) {}" , |
| 12189 | Style); |
| 12190 | verifyFormat("SomeClass::Constructor()\n" |
| 12191 | " : a(a) {\n" |
| 12192 | " foo();\n" |
| 12193 | " bar();\n" |
| 12194 | "}" , |
| 12195 | Style); |
| 12196 | |
| 12197 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None; |
| 12198 | verifyFormat("SomeClass::Constructor()\n" |
| 12199 | " : a(a)\n" |
| 12200 | " , b(b)\n" |
| 12201 | " , c(c) {\n}" , |
| 12202 | Style); |
| 12203 | verifyFormat("SomeClass::Constructor()\n" |
| 12204 | " : a(a) {\n}" , |
| 12205 | Style); |
| 12206 | |
| 12207 | Style.ColumnLimit = 80; |
| 12208 | Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All; |
| 12209 | Style.ConstructorInitializerIndentWidth = 2; |
| 12210 | verifyFormat("SomeClass::Constructor()\n" |
| 12211 | " : a(a)\n" |
| 12212 | " , b(b)\n" |
| 12213 | " , c(c) {}" , |
| 12214 | Style); |
| 12215 | |
| 12216 | Style.ConstructorInitializerIndentWidth = 0; |
| 12217 | verifyFormat("SomeClass::Constructor()\n" |
| 12218 | ": a(a)\n" |
| 12219 | ", b(b)\n" |
| 12220 | ", c(c) {}" , |
| 12221 | Style); |
| 12222 | |
| 12223 | Style.ConstructorInitializerAllOnOneLineOrOnePerLine = true; |
| 12224 | Style.ConstructorInitializerIndentWidth = 4; |
| 12225 | verifyFormat("SomeClass::Constructor() : aaaaaaaa(aaaaaaaa) {}" , Style); |
| 12226 | verifyFormat( |
| 12227 | "SomeClass::Constructor() : aaaaa(aaaaa), aaaaa(aaaaa), aaaaa(aaaaa)\n" , |
| 12228 | Style); |
| 12229 | verifyFormat( |
| 12230 | "SomeClass::Constructor()\n" |
| 12231 | " : aaaaaaaa(aaaaaaaa), aaaaaaaa(aaaaaaaa), aaaaaaaa(aaaaaaaa) {}" , |
| 12232 | Style); |
| 12233 | Style.ConstructorInitializerIndentWidth = 4; |
| 12234 | Style.ColumnLimit = 60; |
| 12235 | verifyFormat("SomeClass::Constructor()\n" |
| 12236 | " : aaaaaaaa(aaaaaaaa)\n" |
| 12237 | " , aaaaaaaa(aaaaaaaa)\n" |
| 12238 | " , aaaaaaaa(aaaaaaaa) {}" , |
| 12239 | Style); |
| 12240 | } |
| 12241 | |
| 12242 | TEST_F(FormatTest, Destructors) { |
| 12243 | verifyFormat("void F(int &i) { i.~int(); }" ); |
| 12244 | verifyFormat("void F(int &i) { i->~int(); }" ); |
| 12245 | } |
| 12246 | |
| 12247 | TEST_F(FormatTest, FormatsWithWebKitStyle) { |
| 12248 | FormatStyle Style = getWebKitStyle(); |
| 12249 | |
| 12250 | // Don't indent in outer namespaces. |
| 12251 | verifyFormat("namespace outer {\n" |
| 12252 | "int i;\n" |
| 12253 | "namespace inner {\n" |
| 12254 | " int i;\n" |
| 12255 | "} // namespace inner\n" |
| 12256 | "} // namespace outer\n" |
| 12257 | "namespace other_outer {\n" |
| 12258 | "int i;\n" |
| 12259 | "}" , |
| 12260 | Style); |
| 12261 | |
| 12262 | // Don't indent case labels. |
| 12263 | verifyFormat("switch (variable) {\n" |
| 12264 | "case 1:\n" |
| 12265 | "case 2:\n" |
| 12266 | " doSomething();\n" |
| 12267 | " break;\n" |
| 12268 | "default:\n" |
| 12269 | " ++variable;\n" |
| 12270 | "}" , |
| 12271 | Style); |
| 12272 | |
| 12273 | // Wrap before binary operators. |
| 12274 | EXPECT_EQ("void f()\n" |
| 12275 | "{\n" |
| 12276 | " if (aaaaaaaaaaaaaaaa\n" |
| 12277 | " && bbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 12278 | " && (cccccccccccccccccccccccccc || dddddddddddddddddddd))\n" |
| 12279 | " return;\n" |
| 12280 | "}" , |
| 12281 | format("void f() {\n" |
| 12282 | "if (aaaaaaaaaaaaaaaa\n" |
| 12283 | "&& bbbbbbbbbbbbbbbbbbbbbbbb\n" |
| 12284 | "&& (cccccccccccccccccccccccccc || dddddddddddddddddddd))\n" |
| 12285 | "return;\n" |
| 12286 | "}" , |
| 12287 | Style)); |
| 12288 | |
| 12289 | // Allow functions on a single line. |
| 12290 | verifyFormat("void f() { return; }" , Style); |
| 12291 | |
| 12292 | // Constructor initializers are formatted one per line with the "," on the |
| 12293 | // new line. |
| 12294 | verifyFormat("Constructor()\n" |
| 12295 | " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| 12296 | " , aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaa, // break\n" |
| 12297 | " aaaaaaaaaaaaaa)\n" |
| 12298 | " , aaaaaaaaaaaaaaaaaaaaaaa()\n" |
| 12299 | "{\n" |
| 12300 | "}" , |
| 12301 | Style); |
| 12302 | verifyFormat("SomeClass::Constructor()\n" |
| 12303 | " : a(a)\n" |
| 12304 | "{\n" |
| 12305 | "}" , |
| 12306 | Style); |
| 12307 | EXPECT_EQ("SomeClass::Constructor()\n" |
| 12308 | " : a(a)\n" |
| 12309 | "{\n" |
| 12310 | "}" , |
| 12311 | format("SomeClass::Constructor():a(a){}" , Style)); |
| 12312 | verifyFormat("SomeClass::Constructor()\n" |
| 12313 | " : a(a)\n" |
| 12314 | " , b(b)\n" |
| 12315 | " , c(c)\n" |
| 12316 | "{\n" |
| 12317 | "}" , |
| 12318 | Style); |
| 12319 | verifyFormat("SomeClass::Constructor()\n" |
| 12320 | " : a(a)\n" |
| 12321 | "{\n" |
| 12322 | " foo();\n" |
| 12323 | " bar();\n" |
| 12324 | "}" , |
| 12325 | Style); |
| 12326 | |
| 12327 | // Access specifiers should be aligned left. |
| 12328 | verifyFormat("class C {\n" |
| 12329 | "public:\n" |
| 12330 | " int i;\n" |
| 12331 | "};" , |
| 12332 | Style); |
| 12333 | |
| 12334 | // Do not align comments. |
| 12335 | verifyFormat("int a; // Do not\n" |
| 12336 | "double b; // align comments." , |
| 12337 | Style); |
| 12338 | |
| 12339 | // Do not align operands. |
| 12340 | EXPECT_EQ("ASSERT(aaaa\n" |
| 12341 | " || bbbb);" , |
| 12342 | format("ASSERT ( aaaa\n||bbbb);" , Style)); |
| 12343 | |
| 12344 | // Accept input's line breaks. |
| 12345 | EXPECT_EQ("if (aaaaaaaaaaaaaaa\n" |
| 12346 | " || bbbbbbbbbbbbbbb) {\n" |
| 12347 | " i++;\n" |
| 12348 | "}" , |
| 12349 | format("if (aaaaaaaaaaaaaaa\n" |
| 12350 | "|| bbbbbbbbbbbbbbb) { i++; }" , |
| 12351 | Style)); |
| 12352 | EXPECT_EQ("if (aaaaaaaaaaaaaaa || bbbbbbbbbbbbbbb) {\n" |
| 12353 | " i++;\n" |
| 12354 | "}" , |
| 12355 | format("if (aaaaaaaaaaaaaaa || bbbbbbbbbbbbbbb) { i++; }" , Style)); |
| 12356 | |
| 12357 | // Don't automatically break all macro definitions (llvm.org/PR17842). |
| 12358 | verifyFormat("#define aNumber 10" , Style); |
| 12359 | // However, generally keep the line breaks that the user authored. |
| 12360 | EXPECT_EQ("#define aNumber \\\n" |
| 12361 | " 10" , |
| 12362 | format("#define aNumber \\\n" |
| 12363 | " 10" , |
| 12364 | Style)); |
| 12365 | |
| 12366 | // Keep empty and one-element array literals on a single line. |
| 12367 | EXPECT_EQ("NSArray* a = [[NSArray alloc] initWithArray:@[]\n" |
| 12368 | " copyItems:YES];" , |
| 12369 | format("NSArray*a=[[NSArray alloc] initWithArray:@[]\n" |
| 12370 | "copyItems:YES];" , |
| 12371 | Style)); |
| 12372 | EXPECT_EQ("NSArray* a = [[NSArray alloc] initWithArray:@[ @\"a\" ]\n" |
| 12373 | " copyItems:YES];" , |
| 12374 | format("NSArray*a=[[NSArray alloc]initWithArray:@[ @\"a\" ]\n" |
| 12375 | " copyItems:YES];" , |
| 12376 | Style)); |
| 12377 | // FIXME: This does not seem right, there should be more indentation before |
| 12378 | // the array literal's entries. Nested blocks have the same problem. |
| 12379 | EXPECT_EQ("NSArray* a = [[NSArray alloc] initWithArray:@[\n" |
| 12380 | " @\"a\",\n" |
| 12381 | " @\"a\"\n" |
| 12382 | "]\n" |
| 12383 | " copyItems:YES];" , |
| 12384 | format("NSArray* a = [[NSArray alloc] initWithArray:@[\n" |
| 12385 | " @\"a\",\n" |
| 12386 | " @\"a\"\n" |
| 12387 | " ]\n" |
| 12388 | " copyItems:YES];" , |
| 12389 | Style)); |
| 12390 | EXPECT_EQ( |
| 12391 | "NSArray* a = [[NSArray alloc] initWithArray:@[ @\"a\", @\"a\" ]\n" |
| 12392 | " copyItems:YES];" , |
| 12393 | format("NSArray* a = [[NSArray alloc] initWithArray:@[ @\"a\", @\"a\" ]\n" |
| 12394 | " copyItems:YES];" , |
| 12395 | Style)); |
| 12396 | |
| 12397 | verifyFormat("[self.a b:c c:d];" , Style); |
| 12398 | EXPECT_EQ("[self.a b:c\n" |
| 12399 | " c:d];" , |
| 12400 | format("[self.a b:c\n" |
| 12401 | "c:d];" , |
| 12402 | Style)); |
| 12403 | } |
| 12404 | |
| 12405 | TEST_F(FormatTest, FormatsLambdas) { |
| 12406 | verifyFormat("int c = [b]() mutable { return [&b] { return b++; }(); }();\n" ); |
| 12407 | verifyFormat( |
| 12408 | "int c = [b]() mutable noexcept { return [&b] { return b++; }(); }();\n" ); |
| 12409 | verifyFormat("int c = [&] { [=] { return b++; }(); }();\n" ); |
| 12410 | verifyFormat("int c = [&, &a, a] { [=, c, &d] { return b++; }(); }();\n" ); |
| 12411 | verifyFormat("int c = [&a, &a, a] { [=, a, b, &c] { return b++; }(); }();\n" ); |
| 12412 | verifyFormat("auto c = {[&a, &a, a] { [=, a, b, &c] { return b++; }(); }}\n" ); |
| 12413 | verifyFormat("auto c = {[&a, &a, a] { [=, a, b, &c] {}(); }}\n" ); |
| 12414 | verifyFormat("auto c = [a = [b = 42] {}] {};\n" ); |
| 12415 | verifyFormat("auto c = [a = &i + 10, b = [] {}] {};\n" ); |
| 12416 | verifyFormat("int x = f(*+[] {});" ); |
| 12417 | verifyFormat("void f() {\n" |
| 12418 | " other(x.begin(), x.end(), [&](int, int) { return 1; });\n" |
| 12419 | "}\n" ); |
| 12420 | verifyFormat("void f() {\n" |
| 12421 | " other(x.begin(), //\n" |
| 12422 | " x.end(), //\n" |
| 12423 | " [&](int, int) { return 1; });\n" |
| 12424 | "}\n" ); |
| 12425 | verifyFormat("void f() {\n" |
| 12426 | " other.other.other.other.other(\n" |
| 12427 | " x.begin(), x.end(),\n" |
| 12428 | " [something, rather](int, int, int, int, int, int, int) { return 1; });\n" |
| 12429 | "}\n" ); |
| 12430 | verifyFormat("void f() {\n" |
| 12431 | " other.other.other.other.other(\n" |
| 12432 | " x.begin(), x.end(),\n" |
| 12433 | " [something, rather](int, int, int, int, int, int, int) {\n" |
| 12434 | " //\n" |
| 12435 | " });\n" |
| 12436 | "}\n" ); |
| 12437 | verifyFormat("SomeFunction([]() { // A cool function...\n" |
| 12438 | " return 43;\n" |
| 12439 | "});" ); |
| 12440 | EXPECT_EQ("SomeFunction([]() {\n" |
| 12441 | "#define A a\n" |
| 12442 | " return 43;\n" |
| 12443 | "});" , |
| 12444 | format("SomeFunction([](){\n" |
| 12445 | "#define A a\n" |
| 12446 | "return 43;\n" |
| 12447 | "});" )); |
| 12448 | verifyFormat("void f() {\n" |
| 12449 | " SomeFunction([](decltype(x), A *a) {});\n" |
| 12450 | "}" ); |
| 12451 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 12452 | " [](const aaaaaaaaaa &a) { return a; });" ); |
| 12453 | verifyFormat("string abc = SomeFunction(aaaaaaaaaaaaa, aaaaa, []() {\n" |
| 12454 | " SomeOtherFunctioooooooooooooooooooooooooon();\n" |
| 12455 | "});" ); |
| 12456 | verifyFormat("Constructor()\n" |
| 12457 | " : Field([] { // comment\n" |
| 12458 | " int i;\n" |
| 12459 | " }) {}" ); |
| 12460 | verifyFormat("auto my_lambda = [](const string &some_parameter) {\n" |
| 12461 | " return some_parameter.size();\n" |
| 12462 | "};" ); |
| 12463 | verifyFormat("std::function<std::string(const std::string &)> my_lambda =\n" |
| 12464 | " [](const string &s) { return s; };" ); |
| 12465 | verifyFormat("int i = aaaaaa ? 1 //\n" |
| 12466 | " : [] {\n" |
| 12467 | " return 2; //\n" |
| 12468 | " }();" ); |
| 12469 | verifyFormat("llvm::errs() << \"number of twos is \"\n" |
| 12470 | " << std::count_if(v.begin(), v.end(), [](int x) {\n" |
| 12471 | " return x == 2; // force break\n" |
| 12472 | " });" ); |
| 12473 | verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 12474 | " [=](int iiiiiiiiiiii) {\n" |
| 12475 | " return aaaaaaaaaaaaaaaaaaaaaaa !=\n" |
| 12476 | " aaaaaaaaaaaaaaaaaaaaaaa;\n" |
| 12477 | " });" , |
| 12478 | getLLVMStyleWithColumns(60)); |
| 12479 | verifyFormat("SomeFunction({[&] {\n" |
| 12480 | " // comment\n" |
| 12481 | " },\n" |
| 12482 | " [&] {\n" |
| 12483 | " // comment\n" |
| 12484 | " }});" ); |
| 12485 | verifyFormat("SomeFunction({[&] {\n" |
| 12486 | " // comment\n" |
| 12487 | "}});" ); |
| 12488 | verifyFormat("virtual aaaaaaaaaaaaaaaa(\n" |
| 12489 | " std::function<bool()> bbbbbbbbbbbb = [&]() { return true; },\n" |
| 12490 | " aaaaa aaaaaaaaa);" ); |
| 12491 | |
| 12492 | // Lambdas with return types. |
| 12493 | verifyFormat("int c = []() -> int { return 2; }();\n" ); |
| 12494 | verifyFormat("int c = []() -> int * { return 2; }();\n" ); |
| 12495 | verifyFormat("int c = []() -> vector<int> { return {2}; }();\n" ); |
| 12496 | verifyFormat("Foo([]() -> std::vector<int> { return {2}; }());" ); |
| 12497 | verifyGoogleFormat("auto a = [&b, c](D* d) -> D* {};" ); |
| 12498 | verifyGoogleFormat("auto a = [&b, c](D* d) -> pair<D*, D*> {};" ); |
| 12499 | verifyGoogleFormat("auto a = [&b, c](D* d) -> D& {};" ); |
| 12500 | verifyGoogleFormat("auto a = [&b, c](D* d) -> const D* {};" ); |
| 12501 | verifyFormat("[a, a]() -> a<1> {};" ); |
| 12502 | verifyFormat("[]() -> foo<5 + 2> { return {}; };" ); |
| 12503 | verifyFormat("[]() -> foo<5 - 2> { return {}; };" ); |
| 12504 | verifyFormat("[]() -> foo<5 / 2> { return {}; };" ); |
| 12505 | verifyFormat("[]() -> foo<5 * 2> { return {}; };" ); |
| 12506 | verifyFormat("[]() -> foo<5 % 2> { return {}; };" ); |
| 12507 | verifyFormat("[]() -> foo<5 << 2> { return {}; };" ); |
| 12508 | verifyFormat("[]() -> foo<!5> { return {}; };" ); |
| 12509 | verifyFormat("[]() -> foo<~5> { return {}; };" ); |
| 12510 | verifyFormat("[]() -> foo<5 | 2> { return {}; };" ); |
| 12511 | verifyFormat("[]() -> foo<5 || 2> { return {}; };" ); |
| 12512 | verifyFormat("[]() -> foo<5 & 2> { return {}; };" ); |
| 12513 | verifyFormat("[]() -> foo<5 && 2> { return {}; };" ); |
| 12514 | verifyFormat("[]() -> foo<5 == 2> { return {}; };" ); |
| 12515 | verifyFormat("[]() -> foo<5 != 2> { return {}; };" ); |
| 12516 | verifyFormat("[]() -> foo<5 >= 2> { return {}; };" ); |
| 12517 | verifyFormat("[]() -> foo<5 <= 2> { return {}; };" ); |
| 12518 | verifyFormat("[]() -> foo<5 < 2> { return {}; };" ); |
| 12519 | verifyFormat("[]() -> foo<2 ? 1 : 0> { return {}; };" ); |
| 12520 | verifyFormat("namespace bar {\n" |
| 12521 | "// broken:\n" |
| 12522 | "auto foo{[]() -> foo<5 + 2> { return {}; }};\n" |
| 12523 | "} // namespace bar" ); |
| 12524 | verifyFormat("namespace bar {\n" |
| 12525 | "// broken:\n" |
| 12526 | "auto foo{[]() -> foo<5 - 2> { return {}; }};\n" |
| 12527 | "} // namespace bar" ); |
| 12528 | verifyFormat("namespace bar {\n" |
| 12529 | "// broken:\n" |
| 12530 | "auto foo{[]() -> foo<5 / 2> { return {}; }};\n" |
| 12531 | "} // namespace bar" ); |
| 12532 | verifyFormat("namespace bar {\n" |
| 12533 | "// broken:\n" |
| 12534 | "auto foo{[]() -> foo<5 * 2> { return {}; }};\n" |
| 12535 | "} // namespace bar" ); |
| 12536 | verifyFormat("namespace bar {\n" |
| 12537 | "// broken:\n" |
| 12538 | "auto foo{[]() -> foo<5 % 2> { return {}; }};\n" |
| 12539 | "} // namespace bar" ); |
| 12540 | verifyFormat("namespace bar {\n" |
| 12541 | "// broken:\n" |
| 12542 | "auto foo{[]() -> foo<5 << 2> { return {}; }};\n" |
| 12543 | "} // namespace bar" ); |
| 12544 | verifyFormat("namespace bar {\n" |
| 12545 | "// broken:\n" |
| 12546 | "auto foo{[]() -> foo<!5> { return {}; }};\n" |
| 12547 | "} // namespace bar" ); |
| 12548 | verifyFormat("namespace bar {\n" |
| 12549 | "// broken:\n" |
| 12550 | "auto foo{[]() -> foo<~5> { return {}; }};\n" |
| 12551 | "} // namespace bar" ); |
| 12552 | verifyFormat("namespace bar {\n" |
| 12553 | "// broken:\n" |
| 12554 | "auto foo{[]() -> foo<5 | 2> { return {}; }};\n" |
| 12555 | "} // namespace bar" ); |
| 12556 | verifyFormat("namespace bar {\n" |
| 12557 | "// broken:\n" |
| 12558 | "auto foo{[]() -> foo<5 || 2> { return {}; }};\n" |
| 12559 | "} // namespace bar" ); |
| 12560 | verifyFormat("namespace bar {\n" |
| 12561 | "// broken:\n" |
| 12562 | "auto foo{[]() -> foo<5 & 2> { return {}; }};\n" |
| 12563 | "} // namespace bar" ); |
| 12564 | verifyFormat("namespace bar {\n" |
| 12565 | "// broken:\n" |
| 12566 | "auto foo{[]() -> foo<5 && 2> { return {}; }};\n" |
| 12567 | "} // namespace bar" ); |
| 12568 | verifyFormat("namespace bar {\n" |
| 12569 | "// broken:\n" |
| 12570 | "auto foo{[]() -> foo<5 == 2> { return {}; }};\n" |
| 12571 | "} // namespace bar" ); |
| 12572 | verifyFormat("namespace bar {\n" |
| 12573 | "// broken:\n" |
| 12574 | "auto foo{[]() -> foo<5 != 2> { return {}; }};\n" |
| 12575 | "} // namespace bar" ); |
| 12576 | verifyFormat("namespace bar {\n" |
| 12577 | "// broken:\n" |
| 12578 | "auto foo{[]() -> foo<5 >= 2> { return {}; }};\n" |
| 12579 | "} // namespace bar" ); |
| 12580 | verifyFormat("namespace bar {\n" |
| 12581 | "// broken:\n" |
| 12582 | "auto foo{[]() -> foo<5 <= 2> { return {}; }};\n" |
| 12583 | "} // namespace bar" ); |
| 12584 | verifyFormat("namespace bar {\n" |
| 12585 | "// broken:\n" |
| 12586 | "auto foo{[]() -> foo<5 < 2> { return {}; }};\n" |
| 12587 | "} // namespace bar" ); |
| 12588 | verifyFormat("namespace bar {\n" |
| 12589 | "// broken:\n" |
| 12590 | "auto foo{[]() -> foo<2 ? 1 : 0> { return {}; }};\n" |
| 12591 | "} // namespace bar" ); |
| 12592 | verifyFormat("[]() -> a<1> {};" ); |
| 12593 | verifyFormat("[]() -> a<1> { ; };" ); |
| 12594 | verifyFormat("[]() -> a<1> { ; }();" ); |
| 12595 | verifyFormat("[a, a]() -> a<true> {};" ); |
| 12596 | verifyFormat("[]() -> a<true> {};" ); |
| 12597 | verifyFormat("[]() -> a<true> { ; };" ); |
| 12598 | verifyFormat("[]() -> a<true> { ; }();" ); |
| 12599 | verifyFormat("[a, a]() -> a<false> {};" ); |
| 12600 | verifyFormat("[]() -> a<false> {};" ); |
| 12601 | verifyFormat("[]() -> a<false> { ; };" ); |
| 12602 | verifyFormat("[]() -> a<false> { ; }();" ); |
| 12603 | verifyFormat("auto foo{[]() -> foo<false> { ; }};" ); |
| 12604 | verifyFormat("namespace bar {\n" |
| 12605 | "auto foo{[]() -> foo<false> { ; }};\n" |
| 12606 | "} // namespace bar" ); |
| 12607 | verifyFormat("auto aaaaaaaa = [](int i, // break for some reason\n" |
| 12608 | " int j) -> int {\n" |
| 12609 | " return ffffffffffffffffffffffffffffffffffffffffffff(i * j);\n" |
| 12610 | "};" ); |
| 12611 | verifyFormat( |
| 12612 | "aaaaaaaaaaaaaaaaaaaaaa(\n" |
| 12613 | " [](aaaaaaaaaaaaaaaaaaaaaaaaaaa &aaa) -> aaaaaaaaaaaaaaaa {\n" |
| 12614 | " return aaaaaaaaaaaaaaaaa;\n" |
| 12615 | " });" , |
| 12616 | getLLVMStyleWithColumns(70)); |
| 12617 | verifyFormat("[]() //\n" |
| 12618 | " -> int {\n" |
| 12619 | " return 1; //\n" |
| 12620 | "};" ); |
| 12621 | |
| 12622 | // Multiple lambdas in the same parentheses change indentation rules. These |
| 12623 | // lambdas are forced to start on new lines. |
| 12624 | verifyFormat("SomeFunction(\n" |
| 12625 | " []() {\n" |
| 12626 | " //\n" |
| 12627 | " },\n" |
| 12628 | " []() {\n" |
| 12629 | " //\n" |
| 12630 | " });" ); |
| 12631 | |
| 12632 | // A lambda passed as arg0 is always pushed to the next line. |
| 12633 | verifyFormat("SomeFunction(\n" |
| 12634 | " [this] {\n" |
| 12635 | " //\n" |
| 12636 | " },\n" |
| 12637 | " 1);\n" ); |
| 12638 | |
| 12639 | // A multi-line lambda passed as arg1 forces arg0 to be pushed out, just like the arg0 |
| 12640 | // case above. |
| 12641 | auto Style = getGoogleStyle(); |
| 12642 | Style.BinPackArguments = false; |
| 12643 | verifyFormat("SomeFunction(\n" |
| 12644 | " a,\n" |
| 12645 | " [this] {\n" |
| 12646 | " //\n" |
| 12647 | " },\n" |
| 12648 | " b);\n" , |
| 12649 | Style); |
| 12650 | verifyFormat("SomeFunction(\n" |
| 12651 | " a,\n" |
| 12652 | " [this] {\n" |
| 12653 | " //\n" |
| 12654 | " },\n" |
| 12655 | " b);\n" ); |
| 12656 | |
| 12657 | // A lambda with a very long line forces arg0 to be pushed out irrespective of |
| 12658 | // the BinPackArguments value (as long as the code is wide enough). |
| 12659 | verifyFormat("something->SomeFunction(\n" |
| 12660 | " a,\n" |
| 12661 | " [this] {\n" |
| 12662 | " D0000000000000000000000000000000000000000000000000000000000001();\n" |
| 12663 | " },\n" |
| 12664 | " b);\n" ); |
| 12665 | |
| 12666 | // A multi-line lambda is pulled up as long as the introducer fits on the previous |
| 12667 | // line and there are no further args. |
| 12668 | verifyFormat("function(1, [this, that] {\n" |
| 12669 | " //\n" |
| 12670 | "});\n" ); |
| 12671 | verifyFormat("function([this, that] {\n" |
| 12672 | " //\n" |
| 12673 | "});\n" ); |
| 12674 | // FIXME: this format is not ideal and we should consider forcing the first arg |
| 12675 | // onto its own line. |
| 12676 | verifyFormat("function(a, b, c, //\n" |
| 12677 | " d, [this, that] {\n" |
| 12678 | " //\n" |
| 12679 | " });\n" ); |
| 12680 | |
| 12681 | // Multiple lambdas are treated correctly even when there is a short arg0. |
| 12682 | verifyFormat("SomeFunction(\n" |
| 12683 | " 1,\n" |
| 12684 | " [this] {\n" |
| 12685 | " //\n" |
| 12686 | " },\n" |
| 12687 | " [this] {\n" |
| 12688 | " //\n" |
| 12689 | " },\n" |
| 12690 | " 1);\n" ); |
| 12691 | |
| 12692 | // More complex introducers. |
| 12693 | verifyFormat("return [i, args...] {};" ); |
| 12694 | |
| 12695 | // Not lambdas. |
| 12696 | verifyFormat("constexpr char hello[]{\"hello\"};" ); |
| 12697 | verifyFormat("double &operator[](int i) { return 0; }\n" |
| 12698 | "int i;" ); |
| 12699 | verifyFormat("std::unique_ptr<int[]> foo() {}" ); |
| 12700 | verifyFormat("int i = a[a][a]->f();" ); |
| 12701 | verifyFormat("int i = (*b)[a]->f();" ); |
| 12702 | |
| 12703 | // Other corner cases. |
| 12704 | verifyFormat("void f() {\n" |
| 12705 | " bar([]() {} // Did not respect SpacesBeforeTrailingComments\n" |
| 12706 | " );\n" |
| 12707 | "}" ); |
| 12708 | |
| 12709 | // Lambdas created through weird macros. |
| 12710 | verifyFormat("void f() {\n" |
| 12711 | " MACRO((const AA &a) { return 1; });\n" |
| 12712 | " MACRO((AA &a) { return 1; });\n" |
| 12713 | "}" ); |
| 12714 | |
| 12715 | verifyFormat("if (blah_blah(whatever, whatever, [] {\n" |
| 12716 | " doo_dah();\n" |
| 12717 | " doo_dah();\n" |
| 12718 | " })) {\n" |
| 12719 | "}" ); |
| 12720 | verifyFormat("if constexpr (blah_blah(whatever, whatever, [] {\n" |
| 12721 | " doo_dah();\n" |
| 12722 | " doo_dah();\n" |
| 12723 | " })) {\n" |
| 12724 | "}" ); |
| 12725 | verifyFormat("auto lambda = []() {\n" |
| 12726 | " int a = 2\n" |
| 12727 | "#if A\n" |
| 12728 | " + 2\n" |
| 12729 | "#endif\n" |
| 12730 | " ;\n" |
| 12731 | "};" ); |
| 12732 | |
| 12733 | // Lambdas with complex multiline introducers. |
| 12734 | verifyFormat( |
| 12735 | "aaaaaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| 12736 | " [aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa]()\n" |
| 12737 | " -> ::std::unordered_set<\n" |
| 12738 | " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa> {\n" |
| 12739 | " //\n" |
| 12740 | " });" ); |
| 12741 | |
| 12742 | FormatStyle DoNotMerge = getLLVMStyle(); |
| 12743 | DoNotMerge.AllowShortLambdasOnASingleLine = FormatStyle::SLS_None; |
| 12744 | verifyFormat("auto c = []() {\n" |
| 12745 | " return b;\n" |
| 12746 | "};" , |
| 12747 | "auto c = []() { return b; };" , DoNotMerge); |
| 12748 | verifyFormat("auto c = []() {\n" |
| 12749 | "};" , |
| 12750 | " auto c = []() {};" , DoNotMerge); |
| 12751 | |
| 12752 | FormatStyle MergeEmptyOnly = getLLVMStyle(); |
| 12753 | MergeEmptyOnly.AllowShortLambdasOnASingleLine = FormatStyle::SLS_Empty; |
| 12754 | verifyFormat("auto c = []() {\n" |
| 12755 | " return b;\n" |
| 12756 | "};" , |
| 12757 | "auto c = []() {\n" |
| 12758 | " return b;\n" |
| 12759 | " };" , |
| 12760 | MergeEmptyOnly); |
| 12761 | verifyFormat("auto c = []() {};" , |
| 12762 | "auto c = []() {\n" |
| 12763 | "};" , |
| 12764 | MergeEmptyOnly); |
| 12765 | |
| 12766 | FormatStyle MergeInline = getLLVMStyle(); |
| 12767 | MergeInline.AllowShortLambdasOnASingleLine = FormatStyle::SLS_Inline; |
| 12768 | verifyFormat("auto c = []() {\n" |
| 12769 | " return b;\n" |
| 12770 | "};" , |
| 12771 | "auto c = []() { return b; };" , MergeInline); |
| 12772 | verifyFormat("function([]() { return b; })" , "function([]() { return b; })" , |
| 12773 | MergeInline); |
| 12774 | verifyFormat("function([]() { return b; }, a)" , |
| 12775 | "function([]() { return b; }, a)" , MergeInline); |
| 12776 | verifyFormat("function(a, []() { return b; })" , |
| 12777 | "function(a, []() { return b; })" , MergeInline); |
| 12778 | } |
| 12779 | |
| 12780 | TEST_F(FormatTest, EmptyLinesInLambdas) { |
| 12781 | verifyFormat("auto lambda = []() {\n" |
| 12782 | " x(); //\n" |
| 12783 | "};" , |
| 12784 | "auto lambda = []() {\n" |
| 12785 | "\n" |
| 12786 | " x(); //\n" |
| 12787 | "\n" |
| 12788 | "};" ); |
| 12789 | } |
| 12790 | |
| 12791 | TEST_F(FormatTest, FormatsBlocks) { |
| 12792 | FormatStyle ShortBlocks = getLLVMStyle(); |
| 12793 | ShortBlocks.AllowShortBlocksOnASingleLine = true; |
| 12794 | verifyFormat("int (^Block)(int, int);" , ShortBlocks); |
| 12795 | verifyFormat("int (^Block1)(int, int) = ^(int i, int j)" , ShortBlocks); |
| 12796 | verifyFormat("void (^block)(int) = ^(id test) { int i; };" , ShortBlocks); |
| 12797 | verifyFormat("void (^block)(int) = ^(int test) { int i; };" , ShortBlocks); |
| 12798 | verifyFormat("void (^block)(int) = ^id(int test) { int i; };" , ShortBlocks); |
| 12799 | verifyFormat("void (^block)(int) = ^int(int test) { int i; };" , ShortBlocks); |
| 12800 | |
| 12801 | verifyFormat("foo(^{ bar(); });" , ShortBlocks); |
| 12802 | verifyFormat("foo(a, ^{ bar(); });" , ShortBlocks); |
| 12803 | verifyFormat("{ void (^block)(Object *x); }" , ShortBlocks); |
| 12804 | |
| 12805 | verifyFormat("[operation setCompletionBlock:^{\n" |
| 12806 | " [self onOperationDone];\n" |
| 12807 | "}];" ); |
| 12808 | verifyFormat("int i = {[operation setCompletionBlock:^{\n" |
| 12809 | " [self onOperationDone];\n" |
| 12810 | "}]};" ); |
| 12811 | verifyFormat("[operation setCompletionBlock:^(int *i) {\n" |
| 12812 | " f();\n" |
| 12813 | "}];" ); |
| 12814 | verifyFormat("int a = [operation block:^int(int *i) {\n" |
| 12815 | " return 1;\n" |
| 12816 | "}];" ); |
| 12817 | verifyFormat("[myObject doSomethingWith:arg1\n" |
| 12818 | " aaa:^int(int *a) {\n" |
| 12819 | " return 1;\n" |
| 12820 | " }\n" |
| 12821 | " bbb:f(a * bbbbbbbb)];" ); |
| 12822 | |
| 12823 | verifyFormat("[operation setCompletionBlock:^{\n" |
| 12824 | " [self.delegate newDataAvailable];\n" |
| 12825 | "}];" , |
| 12826 | getLLVMStyleWithColumns(60)); |
| 12827 | verifyFormat("dispatch_async(_fileIOQueue, ^{\n" |
| 12828 | " NSString *path = [self sessionFilePath];\n" |
| 12829 | " if (path) {\n" |
| 12830 | " // ...\n" |
| 12831 | " }\n" |
| 12832 | "});" ); |
| 12833 | verifyFormat("[[SessionService sharedService]\n" |
| 12834 | " loadWindowWithCompletionBlock:^(SessionWindow *window) {\n" |
| 12835 | " if (window) {\n" |
| 12836 | " [self windowDidLoad:window];\n" |
| 12837 | " } else {\n" |
| 12838 | " [self errorLoadingWindow];\n" |
| 12839 | " }\n" |
| 12840 | " }];" ); |
| 12841 | verifyFormat("void (^largeBlock)(void) = ^{\n" |
| 12842 | " // ...\n" |
| 12843 | "};\n" , |
| 12844 | getLLVMStyleWithColumns(40)); |
| 12845 | verifyFormat("[[SessionService sharedService]\n" |
| 12846 | " loadWindowWithCompletionBlock: //\n" |
| 12847 | " ^(SessionWindow *window) {\n" |
| 12848 | " if (window) {\n" |
| 12849 | " [self windowDidLoad:window];\n" |
| 12850 | " } else {\n" |
| 12851 | " [self errorLoadingWindow];\n" |
| 12852 | " }\n" |
| 12853 | " }];" , |
| 12854 | getLLVMStyleWithColumns(60)); |
| 12855 | verifyFormat("[myObject doSomethingWith:arg1\n" |
| 12856 | " firstBlock:^(Foo *a) {\n" |
| 12857 | " // ...\n" |
| 12858 | " int i;\n" |
| 12859 | " }\n" |
| 12860 | " secondBlock:^(Bar *b) {\n" |
| 12861 | " // ...\n" |
| 12862 | " int i;\n" |
| 12863 | " }\n" |
| 12864 | " thirdBlock:^Foo(Bar *b) {\n" |
| 12865 | " // ...\n" |
| 12866 | " int i;\n" |
| 12867 | " }];" ); |
| 12868 | verifyFormat("[myObject doSomethingWith:arg1\n" |
| 12869 | " firstBlock:-1\n" |
| 12870 | " secondBlock:^(Bar *b) {\n" |
| 12871 | " // ...\n" |
| 12872 | " int i;\n" |
| 12873 | " }];" ); |
| 12874 | |
| 12875 | verifyFormat("f(^{\n" |
| 12876 | " @autoreleasepool {\n" |
| 12877 | " if (a) {\n" |
| 12878 | " g();\n" |
| 12879 | " }\n" |
| 12880 | " }\n" |
| 12881 | "});" ); |
| 12882 | verifyFormat("Block b = ^int *(A *a, B *b) {}" ); |
| 12883 | verifyFormat("BOOL (^aaa)(void) = ^BOOL {\n" |
| 12884 | "};" ); |
| 12885 | |
| 12886 | FormatStyle FourIndent = getLLVMStyle(); |
| 12887 | FourIndent.ObjCBlockIndentWidth = 4; |
| 12888 | verifyFormat("[operation setCompletionBlock:^{\n" |
| 12889 | " [self onOperationDone];\n" |
| 12890 | "}];" , |
| 12891 | FourIndent); |
| 12892 | } |
| 12893 | |
| 12894 | TEST_F(FormatTest, FormatsBlocksWithZeroColumnWidth) { |
| 12895 | FormatStyle ZeroColumn = getLLVMStyle(); |
| 12896 | ZeroColumn.ColumnLimit = 0; |
| 12897 | |
| 12898 | verifyFormat("[[SessionService sharedService] " |
| 12899 | "loadWindowWithCompletionBlock:^(SessionWindow *window) {\n" |
| 12900 | " if (window) {\n" |
| 12901 | " [self windowDidLoad:window];\n" |
| 12902 | " } else {\n" |
| 12903 | " [self errorLoadingWindow];\n" |
| 12904 | " }\n" |
| 12905 | "}];" , |
| 12906 | ZeroColumn); |
| 12907 | EXPECT_EQ("[[SessionService sharedService]\n" |
| 12908 | " loadWindowWithCompletionBlock:^(SessionWindow *window) {\n" |
| 12909 | " if (window) {\n" |
| 12910 | " [self windowDidLoad:window];\n" |
| 12911 | " } else {\n" |
| 12912 | " [self errorLoadingWindow];\n" |
| 12913 | " }\n" |
| 12914 | " }];" , |
| 12915 | format("[[SessionService sharedService]\n" |
| 12916 | "loadWindowWithCompletionBlock:^(SessionWindow *window) {\n" |
| 12917 | " if (window) {\n" |
| 12918 | " [self windowDidLoad:window];\n" |
| 12919 | " } else {\n" |
| 12920 | " [self errorLoadingWindow];\n" |
| 12921 | " }\n" |
| 12922 | "}];" , |
| 12923 | ZeroColumn)); |
| 12924 | verifyFormat("[myObject doSomethingWith:arg1\n" |
| 12925 | " firstBlock:^(Foo *a) {\n" |
| 12926 | " // ...\n" |
| 12927 | " int i;\n" |
| 12928 | " }\n" |
| 12929 | " secondBlock:^(Bar *b) {\n" |
| 12930 | " // ...\n" |
| 12931 | " int i;\n" |
| 12932 | " }\n" |
| 12933 | " thirdBlock:^Foo(Bar *b) {\n" |
| 12934 | " // ...\n" |
| 12935 | " int i;\n" |
| 12936 | " }];" , |
| 12937 | ZeroColumn); |
| 12938 | verifyFormat("f(^{\n" |
| 12939 | " @autoreleasepool {\n" |
| 12940 | " if (a) {\n" |
| 12941 | " g();\n" |
| 12942 | " }\n" |
| 12943 | " }\n" |
| 12944 | "});" , |
| 12945 | ZeroColumn); |
| 12946 | verifyFormat("void (^largeBlock)(void) = ^{\n" |
| 12947 | " // ...\n" |
| 12948 | "};" , |
| 12949 | ZeroColumn); |
| 12950 | |
| 12951 | ZeroColumn.AllowShortBlocksOnASingleLine = true; |
| 12952 | EXPECT_EQ("void (^largeBlock)(void) = ^{ int i; };" , |
| 12953 | format("void (^largeBlock)(void) = ^{ int i; };" , ZeroColumn)); |
| 12954 | ZeroColumn.AllowShortBlocksOnASingleLine = false; |
| 12955 | EXPECT_EQ("void (^largeBlock)(void) = ^{\n" |
| 12956 | " int i;\n" |
| 12957 | "};" , |
| 12958 | format("void (^largeBlock)(void) = ^{ int i; };" , ZeroColumn)); |
| 12959 | } |
| 12960 | |
| 12961 | TEST_F(FormatTest, SupportsCRLF) { |
| 12962 | EXPECT_EQ("int a;\r\n" |
| 12963 | "int b;\r\n" |
| 12964 | "int c;\r\n" , |
| 12965 | format("int a;\r\n" |
| 12966 | " int b;\r\n" |
| 12967 | " int c;\r\n" , |
| 12968 | getLLVMStyle())); |
| 12969 | EXPECT_EQ("int a;\r\n" |
| 12970 | "int b;\r\n" |
| 12971 | "int c;\r\n" , |
| 12972 | format("int a;\r\n" |
| 12973 | " int b;\n" |
| 12974 | " int c;\r\n" , |
| 12975 | getLLVMStyle())); |
| 12976 | EXPECT_EQ("int a;\n" |
| 12977 | "int b;\n" |
| 12978 | "int c;\n" , |
| 12979 | format("int a;\r\n" |
| 12980 | " int b;\n" |
| 12981 | " int c;\n" , |
| 12982 | getLLVMStyle())); |
| 12983 | EXPECT_EQ("\"aaaaaaa \"\r\n" |
| 12984 | "\"bbbbbbb\";\r\n" , |
| 12985 | format("\"aaaaaaa bbbbbbb\";\r\n" , getLLVMStyleWithColumns(10))); |
| 12986 | EXPECT_EQ("#define A \\\r\n" |
| 12987 | " b; \\\r\n" |
| 12988 | " c; \\\r\n" |
| 12989 | " d;\r\n" , |
| 12990 | format("#define A \\\r\n" |
| 12991 | " b; \\\r\n" |
| 12992 | " c; d; \r\n" , |
| 12993 | getGoogleStyle())); |
| 12994 | |
| 12995 | EXPECT_EQ("/*\r\n" |
| 12996 | "multi line block comments\r\n" |
| 12997 | "should not introduce\r\n" |
| 12998 | "an extra carriage return\r\n" |
| 12999 | "*/\r\n" , |
| 13000 | format("/*\r\n" |
| 13001 | "multi line block comments\r\n" |
| 13002 | "should not introduce\r\n" |
| 13003 | "an extra carriage return\r\n" |
| 13004 | "*/\r\n" )); |
| 13005 | EXPECT_EQ("/*\r\n" |
| 13006 | "\r\n" |
| 13007 | "*/" , |
| 13008 | format("/*\r\n" |
| 13009 | " \r\r\r\n" |
| 13010 | "*/" )); |
| 13011 | } |
| 13012 | |
| 13013 | TEST_F(FormatTest, MunchSemicolonAfterBlocks) { |
| 13014 | verifyFormat("MY_CLASS(C) {\n" |
| 13015 | " int i;\n" |
| 13016 | " int j;\n" |
| 13017 | "};" ); |
| 13018 | } |
| 13019 | |
| 13020 | TEST_F(FormatTest, ConfigurableContinuationIndentWidth) { |
| 13021 | FormatStyle TwoIndent = getLLVMStyleWithColumns(15); |
| 13022 | TwoIndent.ContinuationIndentWidth = 2; |
| 13023 | |
| 13024 | EXPECT_EQ("int i =\n" |
| 13025 | " longFunction(\n" |
| 13026 | " arg);" , |
| 13027 | format("int i = longFunction(arg);" , TwoIndent)); |
| 13028 | |
| 13029 | FormatStyle SixIndent = getLLVMStyleWithColumns(20); |
| 13030 | SixIndent.ContinuationIndentWidth = 6; |
| 13031 | |
| 13032 | EXPECT_EQ("int i =\n" |
| 13033 | " longFunction(\n" |
| 13034 | " arg);" , |
| 13035 | format("int i = longFunction(arg);" , SixIndent)); |
| 13036 | } |
| 13037 | |
| 13038 | TEST_F(FormatTest, WrappedClosingParenthesisIndent) { |
| 13039 | FormatStyle Style = getLLVMStyle(); |
| 13040 | verifyFormat("int Foo::getter(\n" |
| 13041 | " //\n" |
| 13042 | ") const {\n" |
| 13043 | " return foo;\n" |
| 13044 | "}" , |
| 13045 | Style); |
| 13046 | verifyFormat("void Foo::setter(\n" |
| 13047 | " //\n" |
| 13048 | ") {\n" |
| 13049 | " foo = 1;\n" |
| 13050 | "}" , |
| 13051 | Style); |
| 13052 | } |
| 13053 | |
| 13054 | TEST_F(FormatTest, SpacesInAngles) { |
| 13055 | FormatStyle Spaces = getLLVMStyle(); |
| 13056 | Spaces.SpacesInAngles = true; |
| 13057 | |
| 13058 | verifyFormat("static_cast< int >(arg);" , Spaces); |
| 13059 | verifyFormat("template < typename T0, typename T1 > void f() {}" , Spaces); |
| 13060 | verifyFormat("f< int, float >();" , Spaces); |
| 13061 | verifyFormat("template <> g() {}" , Spaces); |
| 13062 | verifyFormat("template < std::vector< int > > f() {}" , Spaces); |
| 13063 | verifyFormat("std::function< void(int, int) > fct;" , Spaces); |
| 13064 | verifyFormat("void inFunction() { std::function< void(int, int) > fct; }" , |
| 13065 | Spaces); |
| 13066 | |
| 13067 | Spaces.Standard = FormatStyle::LS_Cpp03; |
| 13068 | Spaces.SpacesInAngles = true; |
| 13069 | verifyFormat("A< A< int > >();" , Spaces); |
| 13070 | |
| 13071 | Spaces.SpacesInAngles = false; |
| 13072 | verifyFormat("A<A<int> >();" , Spaces); |
| 13073 | |
| 13074 | Spaces.Standard = FormatStyle::LS_Cpp11; |
| 13075 | Spaces.SpacesInAngles = true; |
| 13076 | verifyFormat("A< A< int > >();" , Spaces); |
| 13077 | |
| 13078 | Spaces.SpacesInAngles = false; |
| 13079 | verifyFormat("A<A<int>>();" , Spaces); |
| 13080 | } |
| 13081 | |
| 13082 | TEST_F(FormatTest, SpaceAfterTemplateKeyword) { |
| 13083 | FormatStyle Style = getLLVMStyle(); |
| 13084 | Style.SpaceAfterTemplateKeyword = false; |
| 13085 | verifyFormat("template<int> void foo();" , Style); |
| 13086 | } |
| 13087 | |
| 13088 | TEST_F(FormatTest, TripleAngleBrackets) { |
| 13089 | verifyFormat("f<<<1, 1>>>();" ); |
| 13090 | verifyFormat("f<<<1, 1, 1, s>>>();" ); |
| 13091 | verifyFormat("f<<<a, b, c, d>>>();" ); |
| 13092 | EXPECT_EQ("f<<<1, 1>>>();" , format("f <<< 1, 1 >>> ();" )); |
| 13093 | verifyFormat("f<param><<<1, 1>>>();" ); |
| 13094 | verifyFormat("f<1><<<1, 1>>>();" ); |
| 13095 | EXPECT_EQ("f<param><<<1, 1>>>();" , format("f< param > <<< 1, 1 >>> ();" )); |
| 13096 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" |
| 13097 | "aaaaaaaaaaa<<<\n 1, 1>>>();" ); |
| 13098 | verifyFormat("aaaaaaaaaaaaaaa<aaaaaaaaa, aaaaaaaaaa, aaaaaaaaaaaaaa>\n" |
| 13099 | " <<<aaaaaaaaa, aaaaaaaaaa, aaaaaaaaaaaaaaaaaa>>>();" ); |
| 13100 | } |
| 13101 | |
| 13102 | TEST_F(FormatTest, MergeLessLessAtEnd) { |
| 13103 | verifyFormat("<<" ); |
| 13104 | EXPECT_EQ("< < <" , format("\\\n<<<" )); |
| 13105 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" |
| 13106 | "aaallvm::outs() <<" ); |
| 13107 | verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" |
| 13108 | "aaaallvm::outs()\n <<" ); |
| 13109 | } |
| 13110 | |
| 13111 | TEST_F(FormatTest, HandleUnbalancedImplicitBracesAcrossPPBranches) { |
| 13112 | std::string code = "#if A\n" |
| 13113 | "#if B\n" |
| 13114 | "a.\n" |
| 13115 | "#endif\n" |
| 13116 | " a = 1;\n" |
| 13117 | "#else\n" |
| 13118 | "#endif\n" |
| 13119 | "#if C\n" |
| 13120 | "#else\n" |
| 13121 | "#endif\n" ; |
| 13122 | EXPECT_EQ(code, format(code)); |
| 13123 | } |
| 13124 | |
| 13125 | TEST_F(FormatTest, HandleConflictMarkers) { |
| 13126 | // Git/SVN conflict markers. |
| 13127 | EXPECT_EQ("int a;\n" |
| 13128 | "void f() {\n" |
| 13129 | " callme(some(parameter1,\n" |
| 13130 | "<<<<<<< text by the vcs\n" |
| 13131 | " parameter2),\n" |
| 13132 | "||||||| text by the vcs\n" |
| 13133 | " parameter2),\n" |
| 13134 | " parameter3,\n" |
| 13135 | "======= text by the vcs\n" |
| 13136 | " parameter2, parameter3),\n" |
| 13137 | ">>>>>>> text by the vcs\n" |
| 13138 | " otherparameter);\n" , |
| 13139 | format("int a;\n" |
| 13140 | "void f() {\n" |
| 13141 | " callme(some(parameter1,\n" |
| 13142 | "<<<<<<< text by the vcs\n" |
| 13143 | " parameter2),\n" |
| 13144 | "||||||| text by the vcs\n" |
| 13145 | " parameter2),\n" |
| 13146 | " parameter3,\n" |
| 13147 | "======= text by the vcs\n" |
| 13148 | " parameter2,\n" |
| 13149 | " parameter3),\n" |
| 13150 | ">>>>>>> text by the vcs\n" |
| 13151 | " otherparameter);\n" )); |
| 13152 | |
| 13153 | // Perforce markers. |
| 13154 | EXPECT_EQ("void f() {\n" |
| 13155 | " function(\n" |
| 13156 | ">>>> text by the vcs\n" |
| 13157 | " parameter,\n" |
| 13158 | "==== text by the vcs\n" |
| 13159 | " parameter,\n" |
| 13160 | "==== text by the vcs\n" |
| 13161 | " parameter,\n" |
| 13162 | "<<<< text by the vcs\n" |
| 13163 | " parameter);\n" , |
| 13164 | format("void f() {\n" |
| 13165 | " function(\n" |
| 13166 | ">>>> text by the vcs\n" |
| 13167 | " parameter,\n" |
| 13168 | "==== text by the vcs\n" |
| 13169 | " parameter,\n" |
| 13170 | "==== text by the vcs\n" |
| 13171 | " parameter,\n" |
| 13172 | "<<<< text by the vcs\n" |
| 13173 | " parameter);\n" )); |
| 13174 | |
| 13175 | EXPECT_EQ("<<<<<<<\n" |
| 13176 | "|||||||\n" |
| 13177 | "=======\n" |
| 13178 | ">>>>>>>" , |
| 13179 | format("<<<<<<<\n" |
| 13180 | "|||||||\n" |
| 13181 | "=======\n" |
| 13182 | ">>>>>>>" )); |
| 13183 | |
| 13184 | EXPECT_EQ("<<<<<<<\n" |
| 13185 | "|||||||\n" |
| 13186 | "int i;\n" |
| 13187 | "=======\n" |
| 13188 | ">>>>>>>" , |
| 13189 | format("<<<<<<<\n" |
| 13190 | "|||||||\n" |
| 13191 | "int i;\n" |
| 13192 | "=======\n" |
| 13193 | ">>>>>>>" )); |
| 13194 | |
| 13195 | // FIXME: Handle parsing of macros around conflict markers correctly: |
| 13196 | EXPECT_EQ("#define Macro \\\n" |
| 13197 | "<<<<<<<\n" |
| 13198 | "Something \\\n" |
| 13199 | "|||||||\n" |
| 13200 | "Else \\\n" |
| 13201 | "=======\n" |
| 13202 | "Other \\\n" |
| 13203 | ">>>>>>>\n" |
| 13204 | " End int i;\n" , |
| 13205 | format("#define Macro \\\n" |
| 13206 | "<<<<<<<\n" |
| 13207 | " Something \\\n" |
| 13208 | "|||||||\n" |
| 13209 | " Else \\\n" |
| 13210 | "=======\n" |
| 13211 | " Other \\\n" |
| 13212 | ">>>>>>>\n" |
| 13213 | " End\n" |
| 13214 | "int i;\n" )); |
| 13215 | } |
| 13216 | |
| 13217 | TEST_F(FormatTest, DisableRegions) { |
| 13218 | EXPECT_EQ("int i;\n" |
| 13219 | "// clang-format off\n" |
| 13220 | " int j;\n" |
| 13221 | "// clang-format on\n" |
| 13222 | "int k;" , |
| 13223 | format(" int i;\n" |
| 13224 | " // clang-format off\n" |
| 13225 | " int j;\n" |
| 13226 | " // clang-format on\n" |
| 13227 | " int k;" )); |
| 13228 | EXPECT_EQ("int i;\n" |
| 13229 | "/* clang-format off */\n" |
| 13230 | " int j;\n" |
| 13231 | "/* clang-format on */\n" |
| 13232 | "int k;" , |
| 13233 | format(" int i;\n" |
| 13234 | " /* clang-format off */\n" |
| 13235 | " int j;\n" |
| 13236 | " /* clang-format on */\n" |
| 13237 | " int k;" )); |
| 13238 | |
| 13239 | // Don't reflow comments within disabled regions. |
| 13240 | EXPECT_EQ( |
| 13241 | "// clang-format off\n" |
| 13242 | "// long long long long long long line\n" |
| 13243 | "/* clang-format on */\n" |
| 13244 | "/* long long long\n" |
| 13245 | " * long long long\n" |
| 13246 | " * line */\n" |
| 13247 | "int i;\n" |
| 13248 | "/* clang-format off */\n" |
| 13249 | "/* long long long long long long line */\n" , |
| 13250 | format("// clang-format off\n" |
| 13251 | "// long long long long long long line\n" |
| 13252 | "/* clang-format on */\n" |
| 13253 | "/* long long long long long long line */\n" |
| 13254 | "int i;\n" |
| 13255 | "/* clang-format off */\n" |
| 13256 | "/* long long long long long long line */\n" , |
| 13257 | getLLVMStyleWithColumns(20))); |
| 13258 | } |
| 13259 | |
| 13260 | TEST_F(FormatTest, DoNotCrashOnInvalidInput) { |
| 13261 | format("? ) =" ); |
| 13262 | verifyNoCrash("#define a\\\n /**/}" ); |
| 13263 | } |
| 13264 | |
| 13265 | TEST_F(FormatTest, FormatsTableGenCode) { |
| 13266 | FormatStyle Style = getLLVMStyle(); |
| 13267 | Style.Language = FormatStyle::LK_TableGen; |
| 13268 | verifyFormat("include \"a.td\"\ninclude \"b.td\"" , Style); |
| 13269 | } |
| 13270 | |
| 13271 | TEST_F(FormatTest, ArrayOfTemplates) { |
| 13272 | EXPECT_EQ("auto a = new unique_ptr<int>[10];" , |
| 13273 | format("auto a = new unique_ptr<int > [ 10];" )); |
| 13274 | |
| 13275 | FormatStyle Spaces = getLLVMStyle(); |
| 13276 | Spaces.SpacesInSquareBrackets = true; |
| 13277 | EXPECT_EQ("auto a = new unique_ptr<int>[ 10 ];" , |
| 13278 | format("auto a = new unique_ptr<int > [10];" , Spaces)); |
| 13279 | } |
| 13280 | |
| 13281 | TEST_F(FormatTest, ArrayAsTemplateType) { |
| 13282 | EXPECT_EQ("auto a = unique_ptr<Foo<Bar>[10]>;" , |
| 13283 | format("auto a = unique_ptr < Foo < Bar>[ 10]> ;" )); |
| 13284 | |
| 13285 | FormatStyle Spaces = getLLVMStyle(); |
| 13286 | Spaces.SpacesInSquareBrackets = true; |
| 13287 | EXPECT_EQ("auto a = unique_ptr<Foo<Bar>[ 10 ]>;" , |
| 13288 | format("auto a = unique_ptr < Foo < Bar>[10]> ;" , Spaces)); |
| 13289 | } |
| 13290 | |
| 13291 | TEST_F(FormatTest, NoSpaceAfterSuper) { |
| 13292 | verifyFormat("__super::FooBar();" ); |
| 13293 | } |
| 13294 | |
| 13295 | TEST(FormatStyle, GetStyleWithEmptyFileName) { |
| 13296 | llvm::vfs::InMemoryFileSystem FS; |
| 13297 | auto Style1 = getStyle("file" , "" , "Google" , "" , &FS); |
| 13298 | ASSERT_TRUE((bool)Style1); |
| 13299 | ASSERT_EQ(*Style1, getGoogleStyle()); |
| 13300 | } |
| 13301 | |
| 13302 | TEST(FormatStyle, GetStyleOfFile) { |
| 13303 | llvm::vfs::InMemoryFileSystem FS; |
| 13304 | // Test 1: format file in the same directory. |
| 13305 | ASSERT_TRUE( |
| 13306 | FS.addFile("/a/.clang-format" , 0, |
| 13307 | llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM" ))); |
| 13308 | ASSERT_TRUE( |
| 13309 | FS.addFile("/a/test.cpp" , 0, llvm::MemoryBuffer::getMemBuffer("int i;" ))); |
| 13310 | auto Style1 = getStyle("file" , "/a/.clang-format" , "Google" , "" , &FS); |
| 13311 | ASSERT_TRUE((bool)Style1); |
| 13312 | ASSERT_EQ(*Style1, getLLVMStyle()); |
| 13313 | |
| 13314 | // Test 2.1: fallback to default. |
| 13315 | ASSERT_TRUE( |
| 13316 | FS.addFile("/b/test.cpp" , 0, llvm::MemoryBuffer::getMemBuffer("int i;" ))); |
| 13317 | auto Style2 = getStyle("file" , "/b/test.cpp" , "Mozilla" , "" , &FS); |
| 13318 | ASSERT_TRUE((bool)Style2); |
| 13319 | ASSERT_EQ(*Style2, getMozillaStyle()); |
| 13320 | |
| 13321 | // Test 2.2: no format on 'none' fallback style. |
| 13322 | Style2 = getStyle("file" , "/b/test.cpp" , "none" , "" , &FS); |
| 13323 | ASSERT_TRUE((bool)Style2); |
| 13324 | ASSERT_EQ(*Style2, getNoStyle()); |
| 13325 | |
| 13326 | // Test 2.3: format if config is found with no based style while fallback is |
| 13327 | // 'none'. |
| 13328 | ASSERT_TRUE(FS.addFile("/b/.clang-format" , 0, |
| 13329 | llvm::MemoryBuffer::getMemBuffer("IndentWidth: 2" ))); |
| 13330 | Style2 = getStyle("file" , "/b/test.cpp" , "none" , "" , &FS); |
| 13331 | ASSERT_TRUE((bool)Style2); |
| 13332 | ASSERT_EQ(*Style2, getLLVMStyle()); |
| 13333 | |
| 13334 | // Test 2.4: format if yaml with no based style, while fallback is 'none'. |
| 13335 | Style2 = getStyle("{}" , "a.h" , "none" , "" , &FS); |
| 13336 | ASSERT_TRUE((bool)Style2); |
| 13337 | ASSERT_EQ(*Style2, getLLVMStyle()); |
| 13338 | |
| 13339 | // Test 3: format file in parent directory. |
| 13340 | ASSERT_TRUE( |
| 13341 | FS.addFile("/c/.clang-format" , 0, |
| 13342 | llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google" ))); |
| 13343 | ASSERT_TRUE(FS.addFile("/c/sub/sub/sub/test.cpp" , 0, |
| 13344 | llvm::MemoryBuffer::getMemBuffer("int i;" ))); |
| 13345 | auto Style3 = getStyle("file" , "/c/sub/sub/sub/test.cpp" , "LLVM" , "" , &FS); |
| 13346 | ASSERT_TRUE((bool)Style3); |
| 13347 | ASSERT_EQ(*Style3, getGoogleStyle()); |
| 13348 | |
| 13349 | // Test 4: error on invalid fallback style |
| 13350 | auto Style4 = getStyle("file" , "a.h" , "KungFu" , "" , &FS); |
| 13351 | ASSERT_FALSE((bool)Style4); |
| 13352 | llvm::consumeError(Style4.takeError()); |
| 13353 | |
| 13354 | // Test 5: error on invalid yaml on command line |
| 13355 | auto Style5 = getStyle("{invalid_key=invalid_value}" , "a.h" , "LLVM" , "" , &FS); |
| 13356 | ASSERT_FALSE((bool)Style5); |
| 13357 | llvm::consumeError(Style5.takeError()); |
| 13358 | |
| 13359 | // Test 6: error on invalid style |
| 13360 | auto Style6 = getStyle("KungFu" , "a.h" , "LLVM" , "" , &FS); |
| 13361 | ASSERT_FALSE((bool)Style6); |
| 13362 | llvm::consumeError(Style6.takeError()); |
| 13363 | |
| 13364 | // Test 7: found config file, error on parsing it |
| 13365 | ASSERT_TRUE( |
| 13366 | FS.addFile("/d/.clang-format" , 0, |
| 13367 | llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM\n" |
| 13368 | "InvalidKey: InvalidValue" ))); |
| 13369 | ASSERT_TRUE( |
| 13370 | FS.addFile("/d/test.cpp" , 0, llvm::MemoryBuffer::getMemBuffer("int i;" ))); |
| 13371 | auto Style7 = getStyle("file" , "/d/.clang-format" , "LLVM" , "" , &FS); |
| 13372 | ASSERT_FALSE((bool)Style7); |
| 13373 | llvm::consumeError(Style7.takeError()); |
| 13374 | |
| 13375 | // Test 8: inferred per-language defaults apply. |
| 13376 | auto StyleTd = getStyle("file" , "x.td" , "llvm" , "" , &FS); |
| 13377 | ASSERT_TRUE((bool)StyleTd); |
| 13378 | ASSERT_EQ(*StyleTd, getLLVMStyle(FormatStyle::LK_TableGen)); |
| 13379 | } |
| 13380 | |
| 13381 | TEST_F(ReplacementTest, FormatCodeAfterReplacements) { |
| 13382 | // Column limit is 20. |
| 13383 | std::string Code = "Type *a =\n" |
| 13384 | " new Type();\n" |
| 13385 | "g(iiiii, 0, jjjjj,\n" |
| 13386 | " 0, kkkkk, 0, mm);\n" |
| 13387 | "int bad = format ;" ; |
| 13388 | std::string Expected = "auto a = new Type();\n" |
| 13389 | "g(iiiii, nullptr,\n" |
| 13390 | " jjjjj, nullptr,\n" |
| 13391 | " kkkkk, nullptr,\n" |
| 13392 | " mm);\n" |
| 13393 | "int bad = format ;" ; |
| 13394 | FileID ID = Context.createInMemoryFile("format.cpp" , Code); |
| 13395 | tooling::Replacements Replaces = toReplacements( |
| 13396 | {tooling::Replacement(Context.Sources, Context.getLocation(ID, 1, 1), 6, |
| 13397 | "auto " ), |
| 13398 | tooling::Replacement(Context.Sources, Context.getLocation(ID, 3, 10), 1, |
| 13399 | "nullptr" ), |
| 13400 | tooling::Replacement(Context.Sources, Context.getLocation(ID, 4, 3), 1, |
| 13401 | "nullptr" ), |
| 13402 | tooling::Replacement(Context.Sources, Context.getLocation(ID, 4, 13), 1, |
| 13403 | "nullptr" )}); |
| 13404 | |
| 13405 | format::FormatStyle Style = format::getLLVMStyle(); |
| 13406 | Style.ColumnLimit = 20; // Set column limit to 20 to increase readibility. |
| 13407 | auto FormattedReplaces = formatReplacements(Code, Replaces, Style); |
| 13408 | EXPECT_TRUE(static_cast<bool>(FormattedReplaces)) |
| 13409 | << llvm::toString(FormattedReplaces.takeError()) << "\n" ; |
| 13410 | auto Result = applyAllReplacements(Code, *FormattedReplaces); |
| 13411 | EXPECT_TRUE(static_cast<bool>(Result)); |
| 13412 | EXPECT_EQ(Expected, *Result); |
| 13413 | } |
| 13414 | |
| 13415 | TEST_F(ReplacementTest, SortIncludesAfterReplacement) { |
| 13416 | std::string Code = "#include \"a.h\"\n" |
| 13417 | "#include \"c.h\"\n" |
| 13418 | "\n" |
| 13419 | "int main() {\n" |
| 13420 | " return 0;\n" |
| 13421 | "}" ; |
| 13422 | std::string Expected = "#include \"a.h\"\n" |
| 13423 | "#include \"b.h\"\n" |
| 13424 | "#include \"c.h\"\n" |
| 13425 | "\n" |
| 13426 | "int main() {\n" |
| 13427 | " return 0;\n" |
| 13428 | "}" ; |
| 13429 | FileID ID = Context.createInMemoryFile("fix.cpp" , Code); |
| 13430 | tooling::Replacements Replaces = toReplacements( |
| 13431 | {tooling::Replacement(Context.Sources, Context.getLocation(ID, 1, 1), 0, |
| 13432 | "#include \"b.h\"\n" )}); |
| 13433 | |
| 13434 | format::FormatStyle Style = format::getLLVMStyle(); |
| 13435 | Style.SortIncludes = true; |
| 13436 | auto FormattedReplaces = formatReplacements(Code, Replaces, Style); |
| 13437 | EXPECT_TRUE(static_cast<bool>(FormattedReplaces)) |
| 13438 | << llvm::toString(FormattedReplaces.takeError()) << "\n" ; |
| 13439 | auto Result = applyAllReplacements(Code, *FormattedReplaces); |
| 13440 | EXPECT_TRUE(static_cast<bool>(Result)); |
| 13441 | EXPECT_EQ(Expected, *Result); |
| 13442 | } |
| 13443 | |
| 13444 | TEST_F(FormatTest, FormatSortsUsingDeclarations) { |
| 13445 | EXPECT_EQ("using std::cin;\n" |
| 13446 | "using std::cout;" , |
| 13447 | format("using std::cout;\n" |
| 13448 | "using std::cin;" , getGoogleStyle())); |
| 13449 | } |
| 13450 | |
| 13451 | TEST_F(FormatTest, UTF8CharacterLiteralCpp03) { |
| 13452 | format::FormatStyle Style = format::getLLVMStyle(); |
| 13453 | Style.Standard = FormatStyle::LS_Cpp03; |
| 13454 | // cpp03 recognize this string as identifier u8 and literal character 'a' |
| 13455 | EXPECT_EQ("auto c = u8 'a';" , format("auto c = u8'a';" , Style)); |
| 13456 | } |
| 13457 | |
| 13458 | TEST_F(FormatTest, UTF8CharacterLiteralCpp11) { |
| 13459 | // u8'a' is a C++17 feature, utf8 literal character, LS_Cpp11 covers |
| 13460 | // all modes, including C++11, C++14 and C++17 |
| 13461 | EXPECT_EQ("auto c = u8'a';" , format("auto c = u8'a';" )); |
| 13462 | } |
| 13463 | |
| 13464 | TEST_F(FormatTest, DoNotFormatLikelyXml) { |
| 13465 | EXPECT_EQ("<!-- ;> -->" , |
| 13466 | format("<!-- ;> -->" , getGoogleStyle())); |
| 13467 | EXPECT_EQ(" <!-- >; -->" , |
| 13468 | format(" <!-- >; -->" , getGoogleStyle())); |
| 13469 | } |
| 13470 | |
| 13471 | TEST_F(FormatTest, StructuredBindings) { |
| 13472 | // Structured bindings is a C++17 feature. |
| 13473 | // all modes, including C++11, C++14 and C++17 |
| 13474 | verifyFormat("auto [a, b] = f();" ); |
| 13475 | EXPECT_EQ("auto [a, b] = f();" , format("auto[a, b] = f();" )); |
| 13476 | EXPECT_EQ("const auto [a, b] = f();" , format("const auto[a, b] = f();" )); |
| 13477 | EXPECT_EQ("auto const [a, b] = f();" , format("auto const[a, b] = f();" )); |
| 13478 | EXPECT_EQ("auto const volatile [a, b] = f();" , |
| 13479 | format("auto const volatile[a, b] = f();" )); |
| 13480 | EXPECT_EQ("auto [a, b, c] = f();" , format("auto [ a , b,c ] = f();" )); |
| 13481 | EXPECT_EQ("auto &[a, b, c] = f();" , |
| 13482 | format("auto &[ a , b,c ] = f();" )); |
| 13483 | EXPECT_EQ("auto &&[a, b, c] = f();" , |
| 13484 | format("auto &&[ a , b,c ] = f();" )); |
| 13485 | EXPECT_EQ("auto const &[a, b] = f();" , format("auto const&[a, b] = f();" )); |
| 13486 | EXPECT_EQ("auto const volatile &&[a, b] = f();" , |
| 13487 | format("auto const volatile &&[a, b] = f();" )); |
| 13488 | EXPECT_EQ("auto const &&[a, b] = f();" , format("auto const && [a, b] = f();" )); |
| 13489 | EXPECT_EQ("const auto &[a, b] = f();" , format("const auto & [a, b] = f();" )); |
| 13490 | EXPECT_EQ("const auto volatile &&[a, b] = f();" , |
| 13491 | format("const auto volatile &&[a, b] = f();" )); |
| 13492 | EXPECT_EQ("volatile const auto &&[a, b] = f();" , |
| 13493 | format("volatile const auto &&[a, b] = f();" )); |
| 13494 | EXPECT_EQ("const auto &&[a, b] = f();" , format("const auto && [a, b] = f();" )); |
| 13495 | |
| 13496 | // Make sure we don't mistake structured bindings for lambdas. |
| 13497 | FormatStyle PointerMiddle = getLLVMStyle(); |
| 13498 | PointerMiddle.PointerAlignment = FormatStyle::PAS_Middle; |
| 13499 | verifyFormat("auto [a1, b]{A * i};" , getGoogleStyle()); |
| 13500 | verifyFormat("auto [a2, b]{A * i};" , getLLVMStyle()); |
| 13501 | verifyFormat("auto [a3, b]{A * i};" , PointerMiddle); |
| 13502 | verifyFormat("auto const [a1, b]{A * i};" , getGoogleStyle()); |
| 13503 | verifyFormat("auto const [a2, b]{A * i};" , getLLVMStyle()); |
| 13504 | verifyFormat("auto const [a3, b]{A * i};" , PointerMiddle); |
| 13505 | verifyFormat("auto const& [a1, b]{A * i};" , getGoogleStyle()); |
| 13506 | verifyFormat("auto const &[a2, b]{A * i};" , getLLVMStyle()); |
| 13507 | verifyFormat("auto const & [a3, b]{A * i};" , PointerMiddle); |
| 13508 | verifyFormat("auto const&& [a1, b]{A * i};" , getGoogleStyle()); |
| 13509 | verifyFormat("auto const &&[a2, b]{A * i};" , getLLVMStyle()); |
| 13510 | verifyFormat("auto const && [a3, b]{A * i};" , PointerMiddle); |
| 13511 | |
| 13512 | EXPECT_EQ("for (const auto &&[a, b] : some_range) {\n}" , |
| 13513 | format("for (const auto && [a, b] : some_range) {\n}" )); |
| 13514 | EXPECT_EQ("for (const auto &[a, b] : some_range) {\n}" , |
| 13515 | format("for (const auto & [a, b] : some_range) {\n}" )); |
| 13516 | EXPECT_EQ("for (const auto [a, b] : some_range) {\n}" , |
| 13517 | format("for (const auto[a, b] : some_range) {\n}" )); |
| 13518 | EXPECT_EQ("auto [x, y](expr);" , format("auto[x,y] (expr);" )); |
| 13519 | EXPECT_EQ("auto &[x, y](expr);" , format("auto & [x,y] (expr);" )); |
| 13520 | EXPECT_EQ("auto &&[x, y](expr);" , format("auto && [x,y] (expr);" )); |
| 13521 | EXPECT_EQ("auto const &[x, y](expr);" , format("auto const & [x,y] (expr);" )); |
| 13522 | EXPECT_EQ("auto const &&[x, y](expr);" , format("auto const && [x,y] (expr);" )); |
| 13523 | EXPECT_EQ("auto [x, y]{expr};" , format("auto[x,y] {expr};" )); |
| 13524 | EXPECT_EQ("auto const &[x, y]{expr};" , format("auto const & [x,y] {expr};" )); |
| 13525 | EXPECT_EQ("auto const &&[x, y]{expr};" , format("auto const && [x,y] {expr};" )); |
| 13526 | |
| 13527 | format::FormatStyle Spaces = format::getLLVMStyle(); |
| 13528 | Spaces.SpacesInSquareBrackets = true; |
| 13529 | verifyFormat("auto [ a, b ] = f();" , Spaces); |
| 13530 | verifyFormat("auto &&[ a, b ] = f();" , Spaces); |
| 13531 | verifyFormat("auto &[ a, b ] = f();" , Spaces); |
| 13532 | verifyFormat("auto const &&[ a, b ] = f();" , Spaces); |
| 13533 | verifyFormat("auto const &[ a, b ] = f();" , Spaces); |
| 13534 | } |
| 13535 | |
| 13536 | TEST_F(FormatTest, FileAndCode) { |
| 13537 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.cc" , "" )); |
| 13538 | EXPECT_EQ(FormatStyle::LK_ObjC, guessLanguage("foo.m" , "" )); |
| 13539 | EXPECT_EQ(FormatStyle::LK_ObjC, guessLanguage("foo.mm" , "" )); |
| 13540 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , "" )); |
| 13541 | EXPECT_EQ(FormatStyle::LK_ObjC, guessLanguage("foo.h" , "@interface Foo\n@end\n" )); |
| 13542 | EXPECT_EQ( |
| 13543 | FormatStyle::LK_ObjC, |
| 13544 | guessLanguage("foo.h" , "#define TRY(x, y) @try { x; } @finally { y; }" )); |
| 13545 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13546 | guessLanguage("foo.h" , "#define AVAIL(x) @available(x, *))" )); |
| 13547 | EXPECT_EQ(FormatStyle::LK_ObjC, guessLanguage("foo.h" , "@class Foo;" )); |
| 13548 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo" , "" )); |
| 13549 | EXPECT_EQ(FormatStyle::LK_ObjC, guessLanguage("foo" , "@interface Foo\n@end\n" )); |
| 13550 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13551 | guessLanguage("foo.h" , "int DoStuff(CGRect rect);\n" )); |
| 13552 | EXPECT_EQ( |
| 13553 | FormatStyle::LK_ObjC, |
| 13554 | guessLanguage("foo.h" , |
| 13555 | "#define MY_POINT_MAKE(x, y) CGPointMake((x), (y));\n" )); |
| 13556 | EXPECT_EQ( |
| 13557 | FormatStyle::LK_Cpp, |
| 13558 | guessLanguage("foo.h" , "#define FOO(...) auto bar = [] __VA_ARGS__;" )); |
| 13559 | } |
| 13560 | |
| 13561 | TEST_F(FormatTest, GuessLanguageWithCpp11AttributeSpecifiers) { |
| 13562 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , "[[noreturn]];" )); |
| 13563 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13564 | guessLanguage("foo.h" , "array[[calculator getIndex]];" )); |
| 13565 | EXPECT_EQ(FormatStyle::LK_Cpp, |
| 13566 | guessLanguage("foo.h" , "[[noreturn, deprecated(\"so sorry\")]];" )); |
| 13567 | EXPECT_EQ( |
| 13568 | FormatStyle::LK_Cpp, |
| 13569 | guessLanguage("foo.h" , "[[noreturn, deprecated(\"gone, sorry\")]];" )); |
| 13570 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13571 | guessLanguage("foo.h" , "[[noreturn foo] bar];" )); |
| 13572 | EXPECT_EQ(FormatStyle::LK_Cpp, |
| 13573 | guessLanguage("foo.h" , "[[clang::fallthrough]];" )); |
| 13574 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13575 | guessLanguage("foo.h" , "[[clang:fallthrough] foo];" )); |
| 13576 | EXPECT_EQ(FormatStyle::LK_Cpp, |
| 13577 | guessLanguage("foo.h" , "[[gsl::suppress(\"type\")]];" )); |
| 13578 | EXPECT_EQ(FormatStyle::LK_Cpp, |
| 13579 | guessLanguage("foo.h" , "[[using clang: fallthrough]];" )); |
| 13580 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13581 | guessLanguage("foo.h" , "[[abusing clang:fallthrough] bar];" )); |
| 13582 | EXPECT_EQ(FormatStyle::LK_Cpp, |
| 13583 | guessLanguage("foo.h" , "[[using gsl: suppress(\"type\")]];" )); |
| 13584 | EXPECT_EQ( |
| 13585 | FormatStyle::LK_Cpp, |
| 13586 | guessLanguage("foo.h" , "for (auto &&[endpoint, stream] : streams_)" )); |
| 13587 | EXPECT_EQ( |
| 13588 | FormatStyle::LK_Cpp, |
| 13589 | guessLanguage("foo.h" , |
| 13590 | "[[clang::callable_when(\"unconsumed\", \"unknown\")]]" )); |
| 13591 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , "[[foo::bar, ...]]" )); |
| 13592 | } |
| 13593 | |
| 13594 | TEST_F(FormatTest, GuessLanguageWithCaret) { |
| 13595 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , "FOO(^);" )); |
| 13596 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , "FOO(^, Bar);" )); |
| 13597 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13598 | guessLanguage("foo.h" , "int(^)(char, float);" )); |
| 13599 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13600 | guessLanguage("foo.h" , "int(^foo)(char, float);" )); |
| 13601 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13602 | guessLanguage("foo.h" , "int(^foo[10])(char, float);" )); |
| 13603 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13604 | guessLanguage("foo.h" , "int(^foo[kNumEntries])(char, float);" )); |
| 13605 | EXPECT_EQ( |
| 13606 | FormatStyle::LK_ObjC, |
| 13607 | guessLanguage("foo.h" , "int(^foo[(kNumEntries + 10)])(char, float);" )); |
| 13608 | } |
| 13609 | |
| 13610 | TEST_F(FormatTest, GuessedLanguageWithInlineAsmClobbers) { |
| 13611 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , |
| 13612 | "void f() {\n" |
| 13613 | " asm (\"mov %[e], %[d]\"\n" |
| 13614 | " : [d] \"=rm\" (d)\n" |
| 13615 | " [e] \"rm\" (*e));\n" |
| 13616 | "}" )); |
| 13617 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , |
| 13618 | "void f() {\n" |
| 13619 | " _asm (\"mov %[e], %[d]\"\n" |
| 13620 | " : [d] \"=rm\" (d)\n" |
| 13621 | " [e] \"rm\" (*e));\n" |
| 13622 | "}" )); |
| 13623 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , |
| 13624 | "void f() {\n" |
| 13625 | " __asm (\"mov %[e], %[d]\"\n" |
| 13626 | " : [d] \"=rm\" (d)\n" |
| 13627 | " [e] \"rm\" (*e));\n" |
| 13628 | "}" )); |
| 13629 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , |
| 13630 | "void f() {\n" |
| 13631 | " __asm__ (\"mov %[e], %[d]\"\n" |
| 13632 | " : [d] \"=rm\" (d)\n" |
| 13633 | " [e] \"rm\" (*e));\n" |
| 13634 | "}" )); |
| 13635 | EXPECT_EQ(FormatStyle::LK_Cpp, guessLanguage("foo.h" , |
| 13636 | "void f() {\n" |
| 13637 | " asm (\"mov %[e], %[d]\"\n" |
| 13638 | " : [d] \"=rm\" (d),\n" |
| 13639 | " [e] \"rm\" (*e));\n" |
| 13640 | "}" )); |
| 13641 | EXPECT_EQ(FormatStyle::LK_Cpp, |
| 13642 | guessLanguage("foo.h" , "void f() {\n" |
| 13643 | " asm volatile (\"mov %[e], %[d]\"\n" |
| 13644 | " : [d] \"=rm\" (d)\n" |
| 13645 | " [e] \"rm\" (*e));\n" |
| 13646 | "}" )); |
| 13647 | } |
| 13648 | |
| 13649 | TEST_F(FormatTest, GuessLanguageWithChildLines) { |
| 13650 | EXPECT_EQ(FormatStyle::LK_Cpp, |
| 13651 | guessLanguage("foo.h" , "#define FOO ({ std::string s; })" )); |
| 13652 | EXPECT_EQ(FormatStyle::LK_ObjC, |
| 13653 | guessLanguage("foo.h" , "#define FOO ({ NSString *s; })" )); |
| 13654 | EXPECT_EQ( |
| 13655 | FormatStyle::LK_Cpp, |
| 13656 | guessLanguage("foo.h" , "#define FOO ({ foo(); ({ std::string s; }) })" )); |
| 13657 | EXPECT_EQ( |
| 13658 | FormatStyle::LK_ObjC, |
| 13659 | guessLanguage("foo.h" , "#define FOO ({ foo(); ({ NSString *s; }) })" )); |
| 13660 | } |
| 13661 | |
| 13662 | TEST_F(FormatTest, TypenameMacros) { |
| 13663 | std::vector<std::string> TypenameMacros = {"STACK_OF" , "LIST" , "TAILQ_ENTRY" }; |
| 13664 | |
| 13665 | // Test case reported in https://bugs.llvm.org/show_bug.cgi?id=30353 |
| 13666 | FormatStyle Google = getGoogleStyleWithColumns(0); |
| 13667 | Google.TypenameMacros = TypenameMacros; |
| 13668 | verifyFormat("struct foo {\n" |
| 13669 | " int bar;\n" |
| 13670 | " TAILQ_ENTRY(a) bleh;\n" |
| 13671 | "};" , Google); |
| 13672 | |
| 13673 | FormatStyle Macros = getLLVMStyle(); |
| 13674 | Macros.TypenameMacros = TypenameMacros; |
| 13675 | |
| 13676 | verifyFormat("STACK_OF(int) a;" , Macros); |
| 13677 | verifyFormat("STACK_OF(int) *a;" , Macros); |
| 13678 | verifyFormat("STACK_OF(int const *) *a;" , Macros); |
| 13679 | verifyFormat("STACK_OF(int *const) *a;" , Macros); |
| 13680 | verifyFormat("STACK_OF(int, string) a;" , Macros); |
| 13681 | verifyFormat("STACK_OF(LIST(int)) a;" , Macros); |
| 13682 | verifyFormat("STACK_OF(LIST(int)) a, b;" , Macros); |
| 13683 | verifyFormat("for (LIST(int) *a = NULL; a;) {\n}" , Macros); |
| 13684 | verifyFormat("STACK_OF(int) f(LIST(int) *arg);" , Macros); |
| 13685 | |
| 13686 | Macros.PointerAlignment = FormatStyle::PAS_Left; |
| 13687 | verifyFormat("STACK_OF(int)* a;" , Macros); |
| 13688 | verifyFormat("STACK_OF(int*)* a;" , Macros); |
| 13689 | } |
| 13690 | |
| 13691 | } // end namespace |
| 13692 | } // end namespace format |
| 13693 | } // end namespace clang |
| 13694 | |